{"title":"SRS Hopup Chambers \u0026 Parts","description":"\u003cp\u003eHop-up chambers and precision hop-up parts for Silverback SRS rifles, including Kraken chambers, hop arms, buckings, nubs and adjustment parts.\u003c\/p\u003e","products":[{"product_id":"stalker-srs-tac41-airbrake-bucking","title":"SRS\/TAC41 Scorpion Airbrake Set","description":"\u003cp\u003eStainless steel Scorpion SRS\/TAC-41 airbrake set.\u003c\/p\u003e\n\u003cp\u003eThis airbrake set is designed for the stock nozzle diameter of the SRS and TAC-41. The airbrake has a diameter of 3.80 mm and comes in 2 lengths; both airbrakes are adjustable by inserting them further into the piston. The airbrake features 2 grooves for installing small O-rings if you would like to experiment. They are not required and are not included in this package.\u003c\/p\u003e\n\u003cp\u003eThis package includes:\u003c\/p\u003e\n\u003cp\u003e1 short 3.80 mm airbrake (optimal for 3J~ models or higher).\u003cbr\u003e1 long 3.80 mm airbrake (optimal for 2J~ models or lower).\u003c\/p\u003e\n\u003cp\u003eThese airbrakes fit all Scorpion pistons. Be sure to measure the inner diameter of your nozzle to confirm compatibility and prevent damage to the cylinder or piston.\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551017103701,"sku":"SP-STAL-231","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_a0525fe3-ec74-4052-ab59-24131664f011.jpg?v=1771970374"},{"product_id":"srs-tac-41-kraken-sr-hop-bucking","title":"SRS\/TAC-41 Kraken SR-Hop Bucking","description":"\u003cp\u003e\u003cstrong\u003eSRS\/TAC-41 Kraken SR-Hop Bucking\u003c\/strong\u003e is a STALKER hybrid bucking that combines R-Hop behavior with an extended contact patch for stable BB flight.\u003c\/p\u003e\n\u003cp\u003eDesigned for Stalker Kraken TAC-41 TDC and SRS hop-up units, it helps increase range, improve accuracy and stabilize trajectory in cold and warm temperatures.\u003c\/p\u003e\n\u003cp\u003eAvailable with selectable hardness variants.\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"40° Green","offer_id":53961055338837,"sku":"SP-STAL-225","price":9.95,"currency_code":"EUR","in_stock":true},{"title":"50° Pink","offer_id":53961055371605,"sku":"SP-STAL-226","price":9.95,"currency_code":"EUR","in_stock":true},{"title":"60° Purple","offer_id":53961055404373,"sku":"SP-STAL-227","price":9.95,"currency_code":"EUR","in_stock":true},{"title":"70° Yellow","offer_id":52551021232469,"sku":"SP-STAL-228","price":9.95,"currency_code":"EUR","in_stock":true},{"title":"80° Magenta","offer_id":53961055437141,"sku":"SP-STAL-228.1","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_41117ac5-9d99-4c74-8194-72814f1e8d9c.jpg?v=1771970363"},{"product_id":"action-army-ares-striker-hop-up-chamber","title":"Ares Striker AS01 \/ AS02 Hop-Up Chamber","description":"\u003cp\u003eNEW version of the Action Army smart hop-up chamber for ARES Striker AS01\/02\u003cbr\u003eThis also fits ARES outer barrel series.\u003c\/p\u003e\n\u003cp\u003eThe hop-up chamber uses a new and innovative system for extremely precise adjustment of the pressure applied to the hop-up bucking.\u003c\/p\u003e\n\u003cp\u003eFull CNC aluminum construction\u003cbr\u003eBy tightening or loosening the screw, the hop-up arm moves up and down through an intelligent mechanical pressure system\u003cbr\u003eThe intelligent mechanical pressure system helps prevent O-ring failure, which can cause air leaks\u003cbr\u003eReplacement hop-up unit for the ARES AS01 series airsoft sniper rifle\u003c\/p\u003e","brand":"Action Army","offers":[{"title":"Default Title","offer_id":52551046857045,"sku":"SP-AAC-124","price":53.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/b05-001-2_7d422149-3a21-4913-9a82-c140a741651e.jpg?v=1771970001"},{"product_id":"maple-leaf-super-macaron-50-bucking-aeg-srs","title":"Super Macaron 50° (AEG\/SRS) (Green)","description":"\u003cp\u003eThe Maple Leaf Super Macaron is a bucking specially developed for use in your AEG or SRS airsoft replica.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use a Crazy Jet GBB inner barrel or any other GBB-style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal internal and external air seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eCompatible with AEG bridged barrels.\u003cbr\u003eCompatible with GBB \/ VSR non-bridged barrels\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52551049445717,"sku":"SP-MAPL-251","price":7.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/44215413-248194289204161-6031779721778298880-n_c7ad2ee0-0198-4a4e-a549-ddcca131c22d.jpg?v=1771969900"},{"product_id":"maple-leaf-super-macaron-60-bucking-srs","title":"Super Macaron 60° (AEG\/SRS) (Yellow)","description":"\u003cp\u003eMaple Leaf Super Macaron is a bucking specially developed for use in your AEG or SRS airsoft replica.\u003c\/p\u003e\n\u003cp\u003eIt will allow you to use a Crazy Jet GBB barrel or any other GBB-style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal internal and external sealing\u003cbr\u003eImproves accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eCompatible with AEG bridge barrels.\u003cbr\u003eCompatible with bridge-less GBB \/ VSR barrels\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52551049511253,"sku":"SP-MAPL-250","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/44407325-2247542765489450-4530348490416455680-n_e09ff349-cf98-4cf0-897a-fcc126aa74ea.jpg?v=1771969898"},{"product_id":"maple-leaf-super-macaron-70-bucking-srs","title":"Super Macaron 70° (AEG\/SRS) (Blue)","description":"\u003cp\u003eMaple Leaf Super Macaron is a bucking specially developed for use in your AEG or SRS airsoft replica.\u003c\/p\u003e\n\u003cp\u003eIt will allow you to use a Crazy Jet GBB inner barrel or any other GBB-style inner barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal internal and external air seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eCompatible with AEG bridged barrels.\u003cbr\u003eCompatible with bridge-less GBB \/ VSR barrels\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52551049544021,"sku":"SP-MAPL-249","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/44282921-264463717455989-5333533732982751232-n_f9f85409-14d7-4fd7-adf3-50225b5066f2.jpg?v=1771969895"},{"product_id":"maple-leaf-super-macaron-bucking-srs","title":"Super Macaron 75° (AEG\/SRS) (Pink)","description":"\u003cp\u003eMaple Leaf Super Macaron is a bucking specially developed for use in your AEG or SRS airsoft replica.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use a Crazy Jet GBB barrel or any other GBB-style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal internal and external air seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eCompatible with AEG bridged barrels.\u003cbr\u003eCompatible with GBB \/ VSR non-bridged barrels\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52551049576789,"sku":"SP-MAPL-248","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/44307971-1102267609948355-8167838756770938880-n_f09931dc-eac2-4bfc-91e6-362b047af001.jpg?v=1771969893"},{"product_id":"skirmshop-srs-upgrade-kit-16-2-8-joules","title":"Upgrade for SRS 16\" (2.8 Joules)","description":"\u003cp\u003eThe Upgrade kit turns your SRS into a sniper beast. This UPGRADE makes your SRS precise, consistent, and quiet! Load your magazines and dominate the field like never before.\u003c\/p\u003e\n\u003cp\u003eThe package includes the following upgrades:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/stalker-kraken-srs-ultimate-package.html\"\u003eKraken SRS Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/stalker-scorpion-piston-srs-ultimate-edition.html\"\u003eSTALKER Scorpion Piston - SRS (Ultimate Edition)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/canon-morpheus-dual-bore-hybrid-barrel-420mm.html\"\u003e\"Morpheus\" Dual Bore Hybrid Barrel (420mm)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/kraken-srs-concave-bucking-70-125208195.html\"\u003eKraken SRS Concave Bucking 70° (Gen 2)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/teflon-lightweight-cylinder-for-srs-a1-a2.html\"\u003eTeflon Lightweight Cylinder For SRS A1 \/ A2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/official-logo-patch.html\"\u003eSTALKER Official Logo Patch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.es\/en\/carbon-dummy-suppressor-short-24mm-cw.html\"\u003eCarbon Dummy Suppressor, Short, 24mm CW\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe firmly believe that Rapax Springs are the best springs on the market. The results with these spring upgrades and Stalker components are outstanding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.skirmshop.es\/en\/rapax-28-j-spring-made-for-srstac41ssgvsr.html\"\u003eRapax 2.8 J Spring - made for SRS\/TAC41\/SSG\/VSR\u003c\/a\u003e (Spacers included if necessary)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Note: this upgrade discount is only available when all products are in stock. Click \"add to cart\"—if all products are visible, you can purchase this kit with the mentioned discount. If the products do not appear in your shopping cart, you will see a blank page, which means one of these products is not available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Descriptions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eKraken Hop-Up Chamber\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for both professional and new players (Bucking change in ~2 minutes)\u003c\/li\u003e\n\u003cli\u003e100% self-alignment system for a perfectly aligned setup every time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e100% aligned and sealed with Kraken hop-up buckings.\u003c\/li\u003e\n\u003cli\u003eToothed adjustment wheel for easy tuning.\u003c\/li\u003e\n\u003cli\u003eO-ring guided adjustment wheel.\u003c\/li\u003e\n\u003cli\u003eCustom-made steel cam screw.\u003c\/li\u003e\n\u003cli\u003eWhite laser-engraved letters and text.\u003c\/li\u003e\n\u003cli\u003eFront O-ring to prevent BB drop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eModular chamber design to fit most VSR-cut buckings, bridged and unbridged inner barrels, and nubs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eModular cam section to interchange and use S1, S2, and S3 cams.\u003c\/li\u003e\n\u003cli\u003eV-slot for the upper outer barrel screw of the SRS A1.\u003c\/li\u003e\n\u003cli\u003eV-slot for the lower outer barrel screw of the SRS A2.\u003c\/li\u003e\n\u003cli\u003eSide cut-outs on the body for future STALKER products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eQuick setup for easy inner barrel swaps, hop-up bucking changes, or inner barrel cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eScorpion Piston SRS\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stalker Scorpion piston features an extremely modular design that was developed from scratch at my drawing table a long time ago. It includes every option users could want for their SRS piston. It is a unique concept where 6 weights form the body itself. Since the piston is built from these weights, it can also be extended with additional weights (short-stroke setup), which in turn reduces cylinder volume and joule output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eMorpheus 420MM Inner Barrel\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Morpheus Hybrid barrel is made from highly durable SUS304 stainless steel and features a conical crown (Dualbore) to improve range and accuracy.\u003c\/p\u003e\n\u003cp\u003eWe use the most durable and resistant seamless SUS304 steel because we wanted to raise the standard. Most brands use SUS303 steel because it is easier to machine. The corrosion resistance of SUS303 stainless steel is reduced due to its composition, as it is optimized for machining. The SUS304 steel we use is harder to machine but more durable and offers excellent corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eTeflon Cylinder\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis cylinder is a Teflon-coated version of a standard cylinder. The interior coating treatment is a cold process, allowing the cylinder to retain its straight shape, which is often not the case with heat-treated cylinders. The cylinder also features a special internal coating that provides better energy transfer with pistons, which may also increase your joule output if your piston has a properly sized cup.\u003c\/p\u003e\n\u003cp\u003eThis cylinder is fully compatible with Silverback SRS A1 and A2 receivers.\u003c\/p\u003e\n\u003cp\u003eThis cylinder thread works with both A1 and A2 bolt handles.\u003c\/p\u003e\n\u003cp\u003eThis cylinder is compatible with various aftermarket pistons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eRapax 2.8J\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGalvanized to prevent rust, reduce friction, and provide extended service life compared to other springs.\u003c\/p\u003e\n\u003cp\u003e*The box is for promotional purposes only and is not included*\u003c\/p\u003e\n\u003cp\u003eYou can follow all live feeds, photos, and information on Instagram, Facebook, or via our email here:\u003cbr\u003e\u003cbr\u003eFacebook: \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003cbr\u003eInstagram: \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003cbr\u003eYoutube: \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor more information about Stalker Products, Tech \u0026amp; Crafting Guides, please visit: \u003c\/strong\u003e\u003cstrong\u003e\u003ca href=\"http:\/\/www.stalkerairsoft.com\/\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Skirmshop Spain","offers":[{"title":"Default Title","offer_id":52551225082197,"sku":"SP-xxxx","price":425.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/descarga-6_ad87a533-fd71-4c0f-9df0-846ce04e6462.jpg?v=1771968852"},{"product_id":"stalker-srs-bucking-morpheus-srhop-patch-70","title":"Morpheus SRhop Patch 70","description":"\u003cp\u003eMorpheus Stalker R-Hop Patch\u003c\/p\u003e\n\u003cp\u003eEasy installation of the R-Hop patch for Stalker Morpheus barrels.\u003c\/p\u003e\n\u003cp\u003eMore information coming soon!\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information about Stalker products, technical guides, and build guides, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551435813205,"sku":"SP-STAL-212","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srhop1.png?v=1771968526"},{"product_id":"stalker-srs-bucking-morpheus-srhop-patch-50","title":"Morpheus SRhop Patch 50","description":"\u003cp\u003eMorpheus Stalker R-Hop Patch\u003c\/p\u003e\n\u003cp\u003eEasy installation R-Hop patch for Stalker Morpheus barrels.\u003c\/p\u003e\n\u003cp\u003eMore information coming soon!\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information about Stalker products, technical guides, and build guides, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551436468565,"sku":"SP-STAL-211","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srhop_de514fb9-2af7-4d18-b437-70a1cb470bf1.png?v=1771968525"},{"product_id":"stalker-srs-bucking-morpheus-srhop-patch-50-60-70","title":"Morpheus SRhop Patch 50\/60\/70","description":"\u003cp\u003eMorpheus Stalker R-Hop Patch\u003c\/p\u003e\n\u003cp\u003eEasy installation of the R-Hop patch for Stalker Morpheus barrels.\u003c\/p\u003e\n\u003cp\u003eMore information coming soon!\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, and YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information about Stalker products, technical guides, and build guides, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551436501333,"sku":"SP-STAL-210","price":14.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/stalker-morpheus-srhop-patch-60.jpg?v=1771968523"},{"product_id":"stalker-kraken-srs-hop-up-bucking-set-gen-2","title":"Kraken SRS Concave Hop-Up Bucking Set (50\/60\/70) Gen 2","description":"\u003cp\u003e\u003cstrong\u003eKraken SRS Concave Hop-Up Bucking SET (50\/60\/70)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe improved sealing lips at the front and rear of this hop-up bucking have been carefully designed and prototype-molded three times to ensure the best possible seal and performance in the Kraken SRS hop-up chamber.\u003c\/p\u003e\n\u003cp\u003eThis bucking has been produced and designed to perform best in an SRS with a Silverback setup in combination with the Kraken SRS hop-up chamber. The unique design adapts to Silverback nozzle sizes and will therefore resolve any issues with your air seal. In addition to its easy plug-and-play assembly, PTFE tape is now a thing of the past.\u003c\/p\u003e\n\u003cp\u003eThe unique two side-fin design together with the concave contact patch and the internal alignment feature in the Kraken hop-up chamber ensures your SRS setup is always perfectly straight, allowing you to rely on the Kraken SRS configuration to deliver extremely straight shots.\u003c\/p\u003e\n\u003cp\u003ePink Bucking = 50°\u003cbr\u003eLilac Bucking = 60°\u003cbr\u003eOrange Bucking = 70°\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eYou can follow all my live streams, photos, and updates on my social media channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information about Stalker products, technical guides, and build guides, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551463928149,"sku":"SP-STAL-208","price":29.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/stalker-kraken-srs-concave-bucking-set50-60-70_4d69bb85-37cc-4fc3-a8b5-398545c0d2db.jpg?v=1771968446"},{"product_id":"stalker-ultimate-srs-upgrade-kit-570mm-3-0-3-5-joule","title":"Ultimate SRS Upgrade Kit (570mm Barrel 3.0–3.5 Joules)","description":"\u003cp\u003e\u003cstrong\u003eThe Ultimate Stalker Upgrade Kit to turn your Silverback SRS into a true sniper beast. This upgrade kit makes your SRS accurate, consistent, and silent! Load up your magazines and dominate the field like never before.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe package includes the following Stalker upgrades:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/kraken-hopup-srs-ultimate-edition.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Kraken Hop-Up Chamber - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/scorpion-piston-srs-ultimate-edition-1.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Scorpion Piston - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/nl\/morpheus-dual-bore-hybrid-barrel-570.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker Morpheus 570mm Inner Barrel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/teflon-fluted-cylinder-for-srs-a1-a2.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Fluted Teflon Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/nl\/official-logo-patch.html\"\u003eStalker Official Logo Patch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe strongly believe that Rapax springs are the best springs on the market. The results achieved with these springs and the Stalker upgrades are outstanding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/rms-3-joule-spring.html\" target=\"_blank\" rel=\"noopener\"\u003eRapax RMS 3+ Spring\u003c\/a\u003e (includes tensioners to increase FPS\/Joule if needed.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note: This upgrade discount is only available when all products are in stock. Click \"add to cart\"—if all products are visible, you can purchase this kit with the stated discount. If the products are not visible in your shopping cart and you see a blank page, it means one of the products is currently unavailable.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eKraken Hop-Up Chamber\u003c\/em\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for both experienced and new players (~2-minute bucking swap)\u003c\/li\u003e\n\u003cli\u003e100% self-alignment system for perfectly straight installation\u003c\/li\u003e\n\u003cli\u003e100% straight \/ 100% seal patented Kraken bucking\u003c\/li\u003e\n\u003cli\u003eAdjustment wheel head cut-out for easy adjustment\u003c\/li\u003e\n\u003cli\u003eO-ring guided adjustment wheel\u003c\/li\u003e\n\u003cli\u003eCustom-made steel hop arm screw\u003c\/li\u003e\n\u003cli\u003eLaser-engraved white letters and text\u003c\/li\u003e\n\u003cli\u003eFront O-ring to prevent BBs from falling into the receiver\u003c\/li\u003e\n\u003cli\u003eModular chamber design compatible with most VSR buckings, bridged\/unbridged barrels, and nubs\u003c\/li\u003e\n\u003cli\u003eModular arm section allowing use of S1, S2, and S3 arms\u003c\/li\u003e\n\u003cli\u003eV-groove island for upper outer barrel screw (SRS A1)\u003c\/li\u003e\n\u003cli\u003eV-groove for lower outer barrel screw (SRS A2)\u003c\/li\u003e\n\u003cli\u003eSide flat body cutouts for future Stalker products\u003c\/li\u003e\n\u003cli\u003eQuick setup for easy barrel or bucking changes and barrel cleaning\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSRS Scorpion Piston\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stalker Scorpion piston features an extremely modular design, developed from scratch. It offers every option you could want for your SRS piston. This unique concept uses six weights that form the piston body itself. Since the piston is constructed from these weights, it can also be extended with additional weights (short-stroke setup), reducing cylinder volume and joule output.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMorpheus 570mm Inner Barrel \u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Morpheus Hybrid Barrel is made from highly durable SUS304 stainless steel and features a dual-bore tapered end-crowning to improve range and accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe chose stronger and more durable SUS304 seamless steel to raise the performance standard. Most brands use SUS303 seamed steel because it is easier to machine. However, SUS303 stainless steel has reduced corrosion resistance due to its machinability-focused composition. SUS304 steel is harder to machine but significantly more durable and offers excellent corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFluted Teflon Cylinder\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis cylinder is a fluted Teflon version of a standard cylinder and gives your SRS A1 or A2 a striking appearance. The inner coating is applied using a cold treatment process, ensuring the cylinder maintains its perfectly straight shape—unlike many heat-treated cylinders. In addition to improved aesthetics, the special inner coating enhances energy transfer with the piston and may increase joule output when paired with a properly sized piston cup.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with both Silverback SRS A1 and A2 receivers\u003c\/li\u003e\n\u003cli\u003eThread compatible with both A1 and A2 bolt handles\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket pistons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eRapax 3J+ RMS Spring\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Rapax Modular Spring (RMS) series is manufactured to the same high-quality standards as the Light Pull series. Designed for durability and performance, it delivers an exceptional sniper experience. Compared to the Light Pull series, RMS springs are considerably shorter, have a slightly heavier pull, and provide quieter shots. Additionally, RMS springs are electrically coated to prevent rust and ensure smoother operation on the spring guide.\u003c\/p\u003e\n\u003cp\u003e*Promotional box shown is not included*\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eIf you have any issues or questions about this or other Stalker products, please visit our Stalker Owners Group on Facebook here: \u003ca href=\"https:\/\/www.facebook.com\/groups\/329589544772075\/\"\u003ehttps:\/\/www.facebook.com\/groups\/329589544772075\/\u003c\/a\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou can follow live updates, photos, and information on Instagram, Facebook, or YouTube:\u003cbr\u003e\u003cbr\u003eFacebook: \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003cbr\u003eInstagram: \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003cbr\u003eYouTube: \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor more information about Stalker Products, Tech \u0026amp; Crafting Guides, please visit: \u003ca href=\"http:\/\/www.stalkerairsoft.com\/\" target=\"_blank\" rel=\"noopener\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552021803349,"sku":"SP-STAL-177","price":379.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srs-ult-kit-570-3j_dbe00dae-923c-48f6-a790-971f9928894e.jpg?v=1771967656"},{"product_id":"stalker-ultimate-srs-upgrade-kit-510mm","title":"Ultimate SRS Upgrade Kit (510mm Barrel 3.0–3.5 Joule)","description":"\u003cp\u003e\u003cstrong\u003eThe Ultimate Stalker Upgrade Kit to make your Silverback SRS a beast of a sniper. This upgrade kit makes your SRS accurate, consistent and silent! Load up your magazines and rock the field like you never did before.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe package includes the following Stalker upgrades.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/kraken-hopup-srs-ultimate-edition.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Kraken Hopup Chamber - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/scorpion-piston-srs-ultimate-edition-1.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Scorpion - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/morpheus-dual-bore-hybrid-barrel-510mm.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker Morpheus 510MM Inner Barrel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/teflon-fluted-cylinder-for-srs-a1-a2.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Fluted Teflon Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/nl\/official-logo-patch.html\"\u003eStalker Official Logo Patch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe strongly believe that the Rapax springs are the best springs on the market. The results with this spring and the Stalker upgrades are perfect.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/rms-3-joule-spring.html\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.skirmshop.nl\/en\/rms-3-joule-spring.html\u003c\/a\u003e (includes tensioners to increase FPS\/Joule if needed.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note: This upgrade discount is only available when all products are in stock. Click 'add to cart'; if all products are visible you are able to purchase this kit with the mentioned discount. If the products are not in your shopping cart you will see a blank page, meaning one of these products is not available.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProducts Description :\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eKraken Hopup Chamber\u003c\/em\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for pro and new players (~2 minute bucking swap)\u003c\/li\u003e\n\u003cli\u003e100% self-alignment system for always straight setup\u003c\/li\u003e\n\u003cli\u003e100% Straight \/ 100% Seal Patented Kraken Bucking\u003c\/li\u003e\n\u003cli\u003eAdjustment Wheel Head Cut-Out For Easy Adjustment.\u003c\/li\u003e\n\u003cli\u003eO-ring Guided Wheel\u003c\/li\u003e\n\u003cli\u003eSteel Custom Made Hop Arm Screw\u003c\/li\u003e\n\u003cli\u003eLaser Engraved White Letters And Text.\u003c\/li\u003e\n\u003cli\u003eFront O-ring to Avoid BB’s Falling Into Receiver\u003c\/li\u003e\n\u003cli\u003eModular Chamber Design To Fit Most VSR Buckings, Bridged\/Unbridged Barrels And Nubs.\u003c\/li\u003e\n\u003cli\u003eModular Arm Section to swap and use the S1, S2 and S3 arms.\u003c\/li\u003e\n\u003cli\u003eV-Groove Island for upper outer barrel screw (SRS A1)\u003c\/li\u003e\n\u003cli\u003eV-Groove for lower outer barrel screw (SRS A2)\u003c\/li\u003e\n\u003cli\u003eSide Flat Body Cutouts For Future Stalker Product\u003c\/li\u003e\n\u003cli\u003eFast setup for easy barrel or bucking swap or cleaning barrels\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSRS Scorpion Piston\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stalker Scorpion piston has an extremely modular design which was made from scratch on my drawing table a long time ago. It has all the options people could want for their SRS piston. It is a unique concept where 6 weights form the body itself and as the piston itself is made up of these weights, it is also possible to extend the piston with additional weights (short stroke), which in turn reduces the volume of your cylinder and joule output.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMorpheus 510MM Inner Barrel \u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Morpheus Hybrid Barrel is made out of very durable SUS304 Stainless Steel and has a Dualbore tapered end-crowning to upgrade your range and accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe used the more durable and stronger SUS304 seamless steel because we wanted to step up the game a bit. Most brands use SUS303 seamed steel because it's easier to machine. SUS303 stainless steel's corrosion resistance is weakened due to its composition as it's specialized for machinability, so the SUS304 steel we use is harder to machine but more durable and has wonderful corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFluted Teflon Cylinder\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis cylinder is a Teflon Fluted Version of a normal cylinder and makes your SRS A1 or A2 look super cool. The cylinder inner coating treatment is a cold treatment, so the cylinder retains its straight shape, which is often not the case with heat-treated cylinders. Your SRS not only gets a boost in looks, but the cylinder also has a special inner coating which provides better energy transfer with pistons and may also increase your joules if your piston has a correctly sized cup.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis Cylinder is fully compatible with both Silverback SRS A1 and A2 receivers.\u003c\/li\u003e\n\u003cli\u003eThis Cylinder thread works on both the A1 and A2 bolt handles.\u003c\/li\u003e\n\u003cli\u003eThis Cylinder works with aftermarket pistons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eRapax 3J+ RMS Spring\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Rapax Modular Spring series is made with the same quality standards as the Light Pull series springs. With durability and quality, they are made to give you the best sniper experience. The difference from the Light Pull series is in its length (considerably shorter than the Light Pull series), slightly harder pull, but increased silent shots. Also, RMS springs are electrically coated to prevent rust, which provides smoother operation on the spring guide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eIf you have any issues or questions about this or other Stalker Products, please visit our Stalker Owners Group on Facebook here: \u003ca href=\"https:\/\/www.facebook.com\/groups\/329589544772075\/\"\u003ehttps:\/\/www.facebook.com\/groups\/329589544772075\/\u003c\/a\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Instagram, Facebook or YouTube channels here:\u003cbr\u003e\u003cbr\u003eFacebook: \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003cbr\u003eInstagram: \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003cbr\u003eYouTube: \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor more information about Stalker Products, Tech \u0026amp; Crafting Guides please visit: \u003ca href=\"http:\/\/www.stalkerairsoft.com\/\" target=\"_blank\" rel=\"noopener\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552022425941,"sku":"SP-STAL-176","price":364.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srs-ult-kit-510-3j_2e3e4d2e-0a3a-429f-a0be-6f317ba552bf.jpg?v=1771967654"},{"product_id":"stalker-ultimate-srs-upgrade-kit-510mm-2-0-2-5-joule","title":"Ultimate SRS Upgrade Kit (510mm Barrel 2.0-2.5 Joule)","description":"\u003cp\u003e\u003cstrong\u003eThe Ultimate Stalker Upgrade Kit to make your Silverback SRS a true sniper beast. This upgrade kit makes your SRS accurate, consistent, and silent! Load up your magazines and dominate the field like never before.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe package includes the following Stalker upgrades:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/kraken-hopup-srs-ultimate-edition.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Kraken Hopup Chamber - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/scorpion-piston-srs-ultimate-edition-1.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Scorpion - Ultimate Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/morpheus-dual-bore-hybrid-barrel-510mm.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker Morpheus 510MM Inner Barrel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/teflon-fluted-cylinder-for-srs-a1-a2.html\" target=\"_blank\" rel=\"noopener\"\u003eStalker SRS Fluted Teflon Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.skirmshop.nl\/nl\/official-logo-patch.html\"\u003eStalker Official Logo Patch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe strongly believe that Rapax springs are the best springs on the market. The results achieved with these springs and the Stalker upgrades are outstanding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.skirmshop.nl\/en\/rms-2-joule-spring.html\" target=\"_blank\" rel=\"noopener\"\u003eRapax RMS 2+ Spring\u003c\/a\u003e (includes tensioners to increase FPS\/Joule if needed).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note: This upgrade discount is only available when all products are in stock. Click \"add to cart\"—if all products are visible, you will be able to purchase this kit with the stated discount. If the products do not appear in your shopping cart and you see a blank page, it means one of the products is not available.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Descriptions:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eKraken Hopup Chamber\u003c\/em\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for both professional and new players (~2-minute bucking swap)\u003c\/li\u003e\n\u003cli\u003e100% self-alignment system for perfectly straight installation\u003c\/li\u003e\n\u003cli\u003e100% Straight \/ 100% Seal patented Kraken Bucking\u003c\/li\u003e\n\u003cli\u003eAdjustment wheel head cut-out for easy tuning\u003c\/li\u003e\n\u003cli\u003eO-ring guided adjustment wheel\u003c\/li\u003e\n\u003cli\u003eCustom-made steel hop arm screw\u003c\/li\u003e\n\u003cli\u003eLaser-engraved white letters and text\u003c\/li\u003e\n\u003cli\u003eFront O-ring to prevent BBs from falling into the receiver\u003c\/li\u003e\n\u003cli\u003eModular chamber design compatible with most VSR buckings, bridged\/unbridged barrels, and nubs\u003c\/li\u003e\n\u003cli\u003eModular arm section to swap and use S1, S2, and S3 arms\u003c\/li\u003e\n\u003cli\u003eV-groove island for upper outer barrel screw (SRS A1)\u003c\/li\u003e\n\u003cli\u003eV-groove for lower outer barrel screw (SRS A2)\u003c\/li\u003e\n\u003cli\u003eSide flat body cutouts for future Stalker products\u003c\/li\u003e\n\u003cli\u003eFast setup for easy inner barrel or bucking changes and cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSRS Scorpion Piston\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stalker Scorpion piston features an extremely modular design developed from scratch. It offers all the options players could want for their SRS piston. This unique concept uses six weights that form the piston body itself. Since the piston is made up of these weights, it can also be extended with additional weights (short-stroke), reducing cylinder volume and overall joule output.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMorpheus 510MM Inner Barrel \u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Morpheus Hybrid Barrel is made from highly durable SUS304 stainless steel and features a Dual Bore tapered end-crowning to improve range and accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe chose stronger and more durable SUS304 seamless steel to raise the performance standard. Most brands use SUS303 seamed steel because it is easier to machine. However, SUS303 stainless steel has reduced corrosion resistance due to its composition, as it is optimized for machinability. SUS304 steel is harder to machine but offers greater durability and excellent corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFluted Teflon Cylinder\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis cylinder is a Teflon fluted version of a standard cylinder and gives your SRS A1 or A2 a premium look. The inner coating is applied using a cold treatment process, ensuring the cylinder retains its perfectly straight shape—something that is not always the case with heat-treated cylinders. In addition to improved aesthetics, the special inner coating enhances energy transfer with pistons, potentially increasing joule output if your piston uses a correctly sized cup.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with both Silverback SRS A1 and A2 receivers\u003c\/li\u003e\n\u003cli\u003eThread compatible with both A1 and A2 bolt handles\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket pistons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eRapax 2J+ RMS Spring\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Rapax Modular Spring (RMS) series is manufactured to the same high-quality standards as the Light Pull series. Designed for durability and performance, it delivers an excellent sniper experience. Compared to the Light Pull series, RMS springs are considerably shorter, have a slightly heavier pull, and provide quieter shots. They are also electrically coated to prevent rust, ensuring smoother operation on the spring guide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eIf you have any issues or questions about this or other Stalker products, please visit our Stalker Owners Group on Facebook here: \u003ca href=\"https:\/\/www.facebook.com\/groups\/329589544772075\/\"\u003ehttps:\/\/www.facebook.com\/groups\/329589544772075\/\u003c\/a\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou can follow all live feeds, photos, and updates on Instagram, Facebook, or YouTube:\u003cbr\u003e\u003cbr\u003eFacebook: \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003cbr\u003eInstagram: \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003cbr\u003eYouTube: \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor more information about Stalker products, tech \u0026amp; crafting guides, please visit: \u003ca href=\"http:\/\/www.stalkerairsoft.com\/\" target=\"_blank\" rel=\"noopener\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552185774421,"sku":"SP-STAL-173","price":364.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/package-510_e9623deb-d906-4854-9677-e7f861da0994.jpg?v=1771967342"},{"product_id":"maple-leaf-silicon-super-macaron-80","title":"Silicon Super Macaron 80º (AEG\/SRS)","description":"\u003cp\u003eThe Maple Leaf Silicon Super Macaron is a specially developed rubber for use in your AEG or SRS.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use it with an AEG barrel, Crazy Jet GBB, or any other style barrel.\u003c\/p\u003e\n\u003cp\u003eOptimal internal and external seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eFits AEG-bridge barrels.\u003cbr\u003eFits GBB\/VSR bridgeless barrels\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e50 degrees - green\u003cbr\u003e60 degrees - yellow\u003cbr\u003e70 degrees - blue\u003cbr\u003e80 degrees - red\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552433795413,"sku":"SP-MAPL-70","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/ml-silicon-bucking_a336924d-c0ab-4064-95ac-1bb0455d4700.png?v=1771966854"},{"product_id":"maple-leaf-silicon-super-macaron-70","title":"Silicon Super Macaron 70º (AEG\/SRS)","description":"\u003cp\u003eThe Maple Leaf Silicon Super Macaron is a rubber specially developed for use in your AEG or SRS.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use it with an AEG barrel, Crazy Jet GBB, or any other style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal inner and outer seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eFits AEG-bridge barrels.\u003cbr\u003eFits GBB\/VSR bridgeless barrels\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e50 degrees - green\u003cbr\u003e60 degrees - yellow\u003cbr\u003e70 degrees - blue\u003cbr\u003e80 degrees - red\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552435663189,"sku":"SP-MAPL-69","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/ml-silicon-bucking_5d1bccf2-1e81-4f56-bc98-99a744bf39bb.png?v=1771966819"},{"product_id":"maple-leaf-silicon-super-macaron-60-aeg-srs","title":"Silicon Super Macaron 60º (AEG\/SRS)","description":"\u003cp\u003eThe Maple Leaf Silicon Super Macaron is a rubber specially developed for use in your AEG or SRS.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use it with an AEG barrel, Crazy Jet GBB, or any other style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal inner and outer seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eFits AEG-bridge barrels.\u003cbr\u003eFits GBB\/VSR bridgeless barrels\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e50 degrees - green\u003cbr\u003e60 degrees - yellow\u003cbr\u003e70 degrees - blue\u003cbr\u003e80 degrees - red\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552435761493,"sku":"SP-MAPL-68","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/ml-silicon-bucking_ab3a0544-9f93-4dfc-ba64-83b525d2116e.png?v=1771966816"},{"product_id":"maple-leaf-silicon-super-macaron-50-aeg-srs","title":"Silicon Super Macaron 50º (AEG\/SRS)","description":"\u003cp\u003eThe Maple Leaf Silicon Super Macaron is a rubber specially developed for use in your AEG or SRS.\u003c\/p\u003e\n\u003cp\u003eIt allows you to use it with an AEG barrel, Crazy Jet GBB, or any other style barrel!\u003c\/p\u003e\n\u003cp\u003eOptimal inner and outer seal\u003cbr\u003eImproved accuracy and range\u003cbr\u003eEasy to install\u003cbr\u003eFits AEG-bridge barrels.\u003cbr\u003eFits GBB\/VSR bridgeless barrels\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e50 degrees - green\u003cbr\u003e60 degrees - yellow\u003cbr\u003e70 degrees - blue\u003cbr\u003e80 degrees - red\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552435827029,"sku":"SP-MAPL-67","price":10.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/ml-silicon-bucking_90027c6d-3ec1-4431-93ab-5a56aaec8c93.png?v=1771966813"},{"product_id":"silverback-srs-hop-up-unit","title":"SRS Hop Up Unit + HopUp Rubber","description":"\u003cp\u003eDesigned to fill the gap between the receiver and stock when using the SRS-A2 without a handguard.\u003cbr\u003eSRS Hop-Up Unit + Hop-Up Rubber (SBA-HOP-21)\u003c\/p\u003e\n\u003cp\u003eCNC aluminum 6061 hop-up unit for Silverback SRS.\u003c\/p\u003e\n\u003cp\u003eThis hop-up unit accepts most AEG hop-up rubbers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552475443541,"sku":"SP-SBA-HOP-14","price":18.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srshti-hop-up-unit-sba-hop-21-silverback_4552ddbc-373a-4109-a5c6-00b1d3bb8cab.jpg?v=1771966198"},{"product_id":"stark-success-srs-sniper-patch","title":"SRS 3D Sniper Patch","description":"\u003cp\u003eSRS 3D sniper patch\u003c\/p\u003e\n\u003cp\u003eWith Velcro\u003c\/p\u003e","brand":"Stark Success","offers":[{"title":"SRS 3D sniper patch Black","offer_id":52552497561941,"sku":"SP-STARK-05","price":4.95,"currency_code":"EUR","in_stock":false},{"title":"SRS 3D sniper patch Tan","offer_id":52552497594709,"sku":"SP-STARK-04","price":4.95,"currency_code":"EUR","in_stock":false},{"title":"SRS 3D sniper patch white","offer_id":52552497627477,"sku":"SP-STARK-03","price":4.95,"currency_code":"EUR","in_stock":false},{"title":"SRS 3D sniper patch Green","offer_id":52552497660245,"sku":"SP-STARK-02","price":4.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/20200408-120937_7fb33456-4d2e-4527-8763-da5fbcaf953a.jpg?v=1771965911"},{"product_id":"stark-success-barrel-hop-up-alignment-tool-srs","title":"SRS Barrel \/ Hop-Up Alignment Tool","description":"\u003cp\u003eSRS barrel and hop-up alignment tool\u003c\/p\u003e\n\u003cp\u003eQuickly aligns the barrel and chamber perfectly. Compatible with Fast Hop-Up chamber, stock chamber, Max Model, and more.\u003c\/p\u003e\n\u003cp\u003eFor improved precision!\u003c\/p\u003e","brand":"Stark Success","offers":[{"title":"Default Title","offer_id":52552497693013,"sku":"SP-STARK-01","price":39.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/20200408-125134_5aba7806-c69a-4390-9c0f-4005d9032559.jpg?v=1771965909"},{"product_id":"stalker-kraken-srs-concave-bucking-set","title":"Kraken SRS Concave Hop-Up Bucking Set (50\/60\/70) Gen 1","description":"\u003cp\u003e\u003cstrong\u003eKraken SRS Concave Hop-Up Bucking SET (50\/60\/70)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe improved sealing lips on the front and rear of this bucking have been meticulously designed and prototyped three times to ensure optimal sealing and performance in the Kraken SRS chamber.\u003c\/p\u003e\n\u003cp\u003eThis bucking is engineered specifically for use with the SRS Silverback backplate and the Kraken SRS hop-up chamber. Its unique design fits perfectly with the silverback nozzle size, eliminating all air seal issues. Plus, the need for PTFE tape is now obsolete.\u003c\/p\u003e\n\u003cp\u003eThe unique dual-side fin design, combined with the concave bulge and internal alignment feature of the Kraken hop-up chamber, ensures your SRS setup remains perfectly straight and delivers ultra-accurate shots.\u003c\/p\u003e\n\u003cp\u003ePink Bucking = 50°\u003cbr\u003ePurple Bucking = 60°\u003cbr\u003eOrange Bucking = 70°\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information on Stalker products, technical guides, and build tutorials, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552497758549,"sku":"SP-STAL-37","price":29.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/stalker-kraken-srs-concave-bucking-set50-60-70_4a76087a-f573-446d-8f94-b2204fe6935b.jpg?v=1771965905"},{"product_id":"stalker-kraken-srs-ultimate-edition-hop-up-chamber","title":"Kraken Hop-Up - SRS Ultimate Edition - V2","description":"\u003cp\u003e\u003cstrong\u003eKraken SRS Hop-up Chamber Ultimate Edition - V2\u003c\/strong\u003e\u003cbr\u003e(Also compatible with Silverback HTI)\u003c\/p\u003e\n\u003cp\u003eThe Kraken SRS hop-up chamber from Stalker evolves and turns your SRS into a beast! Stalker offers a unique modular design that eliminates all previous sealing and alignment issues. Comes with Stalker’s exclusive 2-fin VSR-style bucking and its quick-setup design makes it a powerful upgrade for the SRS hop-up chamber. After years of perfect performance with the V1 and over 22 five-star reviews, it was time to create the V2 and improve it further. Key V2 upgrades include a smaller front head to reduce bolt friction, a stainless steel body that’s nearly indestructible even under tight hop-up pressure, and other refined improvements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for professional and new players (~2 minutes to change bucking)\u003c\/li\u003e\n\u003cli\u003e100% self-aligning system for perfectly straight bucking\/nub\u003c\/li\u003e\n\u003cli\u003ePatented Kraken bucking: 100% straight \/ 100% sealed\u003c\/li\u003e\n\u003cli\u003eAdjustment wheel with head cutout for easy tuning\u003c\/li\u003e\n\u003cli\u003eO-ring guided wheel\u003c\/li\u003e\n\u003cli\u003eCustom stainless steel hop-up arm screw\u003c\/li\u003e\n\u003cli\u003eLaser-engraved letters and text\u003c\/li\u003e\n\u003cli\u003eFront O-ring to prevent BBs from falling into the receiver\u003c\/li\u003e\n\u003cli\u003eModular chamber design compatible with most VSR buckings, bridged\/unbridged barrels, and nubs\u003c\/li\u003e\n\u003cli\u003eModular arm section to swap and use S1, S2, and S3 arms\u003c\/li\u003e\n\u003cli\u003eHigh-quality stainless steel hop-up body\u003c\/li\u003e\n\u003cli\u003eV-shaped island for upper outer barrel screw (SRS A1)\u003c\/li\u003e\n\u003cli\u003eV-shaped island for lower outer barrel screw (SRS A2)\u003c\/li\u003e\n\u003cli\u003eQuick setup for barrel or bucking changes or barrel cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis ULTIMATE package includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Kraken SRS VSR-style hop-up chamber head\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS stainless steel hop-up chamber body (indestructible)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS hop-up chamber wheel\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS S1 hop-up arm (with Tigra nub attached)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS S2 hop-up arm (with Prowler nub attached)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS S3 hop-up arm (for nub)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS hop-up arm spring\u003c\/li\u003e\n\u003cli\u003e1x Custom Kraken SRS hop-up arm screw\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS 60° concave 2-fin bucking\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Prowler CNC aluminum nub (Purple for S3 arm)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Tigra CNC aluminum nub (Orange for S3 arm)\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS hop-up chamber head O-ring\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS hop-up wheel O-ring\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS rear chamber body O-ring\u003c\/li\u003e\n\u003cli\u003e3x Kraken SRS chamber body locking screws\u003c\/li\u003e\n\u003cli\u003e2x Kraken SRS inner barrel locking screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003cbr\u003eThis chamber provides 100% sealing with the Stalker bucking included in this package. It also works with other VSR-style buckings, but for perfect 100% sealing, Kraken buckings from Stalker are strongly recommended, as standard VSR buckings have a wider inlet and the standard SBA nozzle may not seal them fully.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003cbr\u003eKeep in mind that SRS A1 Sport or Carbon outer barrels may require an additional washer behind the hop-up body for proper function.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9KWsVqc8ShY\" width=\"700\" height=\"393\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552497791317,"sku":"SP-STAL-36","price":114.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_348e8e38-341c-4059-8932-8a9f9cd03c80.webp?v=1771965902"},{"product_id":"kraken-srs-concave-hop-up-bucking-gen-2","title":"Kraken SRS Concave Hop-Up Bucking Gen 2","description":"\u003cp\u003eThe improved sealing lips on the front and rear of this hop-up bucking have been meticulously designed and triple-molded to ensure maximum sealing and performance in the Kraken SRS chamber.\u003c\/p\u003e\u003cp\u003eThis bucking is engineered to perform optimally with a Silverback SRS system and the Kraken SRS Hop-Up Chamber. Its unique design fits Silverback nozzle sizes, eliminating all air-leak issues. Plus, with its plug-and-play assembly, PTFE tape is a thing of the past.\u003c\/p\u003e\u003cp\u003eThe unique side fin design, combined with the concave hop rubber and internal alignment in the Kraken Hop-Up Chamber, ensures your SRS setup remains perfectly aligned and delivers super straight BB shots.\u003c\/p\u003e\u003cp\u003eSelectable hardness variants available.\u003c\/p\u003e\u003cp\u003eFor more information on Stalker products, technical guides, and build tutorials, visit: \u003ca href=\"https:\/\/www.stalkerairsoft.com\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"60° Purple","offer_id":52552497955157,"sku":"SP-STAL-33","price":9.95,"currency_code":"EUR","in_stock":true},{"title":"70° Yellow","offer_id":53961250734421,"sku":"SP-STAL-151","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_ee043424-4d31-42f8-b9e0-5e39709ee576.jpg?v=1771965896"},{"product_id":"kraken-srs-concave-hop-up-bucking-gen-1","title":"Kraken SRS Concave Hop-Up Bucking Gen 1","description":"\u003cp\u003eThe improved sealing lips on the front and rear of this hop-up bucking have been meticulously designed and triple-molded to ensure maximum sealing and performance in the Kraken SRS chamber.\u003c\/p\u003e\u003cp\u003eThis bucking is engineered to perform optimally with a Silverback SRS system and the Kraken SRS Hop-Up Chamber. Its unique design fits Silverback nozzle sizes, eliminating all air-leak issues. Plus, with its plug-and-play assembly, PTFE tape is a thing of the past.\u003c\/p\u003e\u003cp\u003eThe unique side fin design, combined with the concave hop rubber and internal alignment in the Kraken Hop-Up Chamber, ensures your SRS setup remains perfectly aligned and delivers super straight BB shots.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSelectable hardness variants available\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/p\u003e\u003cp\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/p\u003e\u003cp\u003eYouTube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\u003cp\u003eFor more information on Stalker products, technical guides, and build tutorials, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"50° Pink","offer_id":52552498020693,"sku":"SP-STAL-32","price":11.95,"currency_code":"EUR","in_stock":false},{"title":"60° Purple","offer_id":53961239167317,"sku":"SP-STAL-207","price":11.95,"currency_code":"EUR","in_stock":true},{"title":"70° Yellow","offer_id":53961239200085,"sku":"SP-STAL-34","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/50-concave-bucking_5f7565a5-9b48-41a5-b7f9-3b5e0ed7ab21.png?v=1771965892"},{"product_id":"stalker-kraken-srs-hop-up-spare-parts","title":"Kraken SRS Hop-Up Chamber Spare Parts Kit","description":"\u003cp\u003e\u003cstrong\u003eSTALKER Kraken SRS Hop-Up Spare Parts Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit contains the following replacement parts to repair your hop-up chamber or replace hard-to-find components.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e1x Custom SRS Kraken Hop Arm Screw\u003cbr\u003e1x Custom SRS Kraken Hop Arm Spring\u003cbr\u003e1x Wheel O-Ring\u003cbr\u003e1x Front BB Stopper O-Ring\u003cbr\u003e1x Outer Barrel Lock Protection O-Ring\u003cbr\u003e3x Hex Lock Screw for Body\u003cbr\u003e2x Hex Lock Screw for Barrel\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003cbr\u003eInstagram: \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003cbr\u003eYouTube: \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor more information on Stalker products, technical guides, and build tutorials, visit:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ca href=\"http:\/\/www.stalkerairsoft.com\" target=\"_blank\" rel=\"noopener\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552498053461,"sku":"SP-STAL-31","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/148a9100-bewerkt_351bb8be-6f31-4aaf-90e2-5307d2050867.jpg?v=1771965890"},{"product_id":"stalker-kraken-srs-hop-up-arm-s3","title":"Kraken SRS S3 Hop-Up Arm","description":"\u003cp\u003e\u003cstrong\u003eSTALKER SRS KRAKEN S3 HOP ARM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Stalker SRS Kraken S3 arm is made from a single piece of aluminum and features a protrusion hole designed to accept a wide variety of Stalker protrusions, including our CNC aluminum Tigra protrusion, CNC aluminum Prowler protrusion, 60° rubber Prowler protrusion, 75° Rubber Knot Prowler, and more.\u003c\/p\u003e\n\u003cp\u003eThis arm performs best with Stalker Morpheus barrels or other GBB\/unbridged barrels with larger windows.\u003c\/p\u003e\n\u003cp\u003eThe advantage of using the S3 arm + knot is that the separate knot can pivot on the arm to conform to the shape of the bucking when adjusting the hop-up. This results in a flat pressure point on the bucking. Another benefit of the S3 arm is that you can experiment with a wide range of protrusions to ensure optimal performance under all weather conditions and in both low- and high-joule setups. With the plug-and-play Kraken SRS hop-up chamber, changing protrusions is easy and takes less than one minute—making this arm essential for many Kraken SRS users, as it unlocks the full potential of the Kraken and a vast selection of protrusions for your setup!\u003c\/p\u003e\n\u003cp\u003eThe arm is black anodized with an engraved S3 on the top.\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYouTube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information on Stalker products, technical guides, and build tutorials, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52552498118997,"sku":"SP-STAL-30","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/s3-arm_5df643c0-137a-4843-8862-71c348b78fa6.png?v=1771965887"},{"product_id":"silverback-srs-a1-a2-hop-up-screw-set","title":"SRS A1\/A2 Through Body Hop Up Setting Screw (x4)","description":"\u003cp\u003eSet of 4 through receiver hop-up setting screws, including 2 sets of dampening o-rings.\u003c\/p\u003e\u003cp\u003eSBA-SST-04\u003c\/p\u003e\u003cdiv\u003e2.11.0.0\u003c\/div\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552519582037,"sku":"SP-SBA-SST-04","price":9.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srs-hop-adjustment.jpg?v=1770868836"},{"product_id":"silverback-srs-a1-a2-replacement-o-ring-set","title":"SRS A1\/A2 Replacement O-Ring Set","description":"\u003cp\u003eSRS A1\/A2 replacement 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Pack)","description":"\u003cp\u003eSRS Hop Up rubber,\u003c\/p\u003e\n\u003cp\u003ePack of 4 (80°) +4 nubs\u003c\/p\u003e\n\u003cp\u003eRef: SBA-HOP-29\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552522891605,"sku":"SP-SBA-HOP-29","price":15.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-23-1_0ef9ad28-b73d-47c0-aadd-04cc496a7882.jpg?v=1771965748"},{"product_id":"silverback-srs-bucking-hop-up-70","title":"SRS\/HTI  Flat Hop Up Rubber for SRS 70º +Nub (4 Pack)","description":"\u003cp\u003eSRS Hop Up rubber,\u003c\/p\u003e\n\u003cp\u003ePack of 4 (70°) +4 nubs\u003c\/p\u003e\n\u003cp\u003eRef: SBA-HOP-28\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552522989909,"sku":"SP-SBA-HOP-28","price":15.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-22-1_6d255cdb-1f45-4ede-89e8-0e3366a979c2.jpg?v=1771965746"},{"product_id":"silverback-srs-bucking-hop-up-60","title":"SRS\/HTI  Flat Hop Up Rubber for SRS 60º +Nub (4 Pack)","description":"\u003cp\u003eSRS Hop Up rubber,\u003c\/p\u003e\n\u003cp\u003ePack of 4 (60°) +4 nubs\u003c\/p\u003e\n\u003cp\u003eRef: SBA-HOP-27\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552523153749,"sku":"SP-SBA-HOP-27","price":15.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-21-1_651e9f85-892e-4573-a366-b0611667724f.jpg?v=1771965744"},{"product_id":"silverback-srs-hop-up-rubber-50-4-pack","title":"SRS\/HTI Flat Hop Up Rubber for SRS 50º +Nub (4 Pack)","description":"\u003cp\u003eSRS Hop Up rubber,\u003c\/p\u003e\r\n\u003cp\u003ePack of 4 (50°) +4 nubs\u003c\/p\u003e\r\n\u003cp\u003eRef: SBA-HOP-26\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552523284821,"sku":"SP-SBA-HOP-26","price":15.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-20-1_139a94ca-d4fb-44db-b1b9-ba051c9849fe.jpg?v=1771965741"},{"product_id":"silverback-flat-hop-up-set-srs","title":"Flat Hop-Up Rubber Set","description":"\u003cp\u003eFlat Hop-Up rubber set\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cp\u003e1x SBA Blue Flat Hop 50º\u003cbr\u003e1x SBA Green Flat Hop 60º\u003cbr\u003e1x SBA Yellow Flat Hop 70º\u003cbr\u003e1x SBA Red Flat Hop 80º\u003cbr\u003e\u003cbr\u003e4x SBA Nub\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552525021525,"sku":"SP-SBA-HOP-24","price":15.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-24-1_1c689565-2236-4f5d-8951-811358b4f338.jpg?v=1771965712"},{"product_id":"silverback-srs-50-flat-hop-up-bucking","title":"Goma Flat Hop Up 50º SRS + Nub","description":"\u003cp\u003eGoma Flat Hop Up 50º SRS + Nub\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552526758229,"sku":"SP-SBA-HOP-20","price":4.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-20-1_03a4894f-8ba6-48f3-9bc8-a4f3cadd237b.jpg?v=1771965664"},{"product_id":"silverback-srs-60-flat-hop-up-bucking","title":"SRS Flat Hop Up Goma 60º + Nub","description":"\u003cp\u003eSRS Flat Hop Up goma 60° + Nub\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552526790997,"sku":"SP-SBA-HOP-21","price":4.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-21-1_14d3046d-7829-494d-bfcf-7542cb7725d7.jpg?v=1771965662"},{"product_id":"silverback-srs-70-flat-hop-up-bucking","title":"SRS Flat Hop Up Goma 70º + Nub","description":"\u003cp\u003eSRS Flat Hop Up goma 70° + Nub\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552526856533,"sku":"SP-SBA-HOP-22","price":4.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-22-1_08a7e2bf-b15b-4b9b-b491-bc16357375a5.jpg?v=1771965659"},{"product_id":"silverback-srs-bucking-flat-hop-up-80","title":"SRS Flat Hop Up Rubber 80º + Nub","description":"\u003cp\u003eSRS Flat Hop Up rubber 80° + Nub\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552526987605,"sku":"SP-SBA-HOP-23","price":4.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-hop-23-1_e1e4b3bf-9907-476d-9d75-4d750856e9d0.jpg?v=1771965657"},{"product_id":"silent-sniper-shore-70-rhop-bucking-srs","title":"Shore 70 Hardness Rhop Bucking for Prometheus EG Barrel","description":"\u003cp\u003eAs you can see, this R-hop has a perfect fit. It has the same wall thickness as the barrel and does not protrude beyond the barrel's flat surface. When touched, you cannot feel any height difference between the barrel and the R-hop. Available in Shore 50 (blue), 60 (green), and 70 (yellow), made from high-quality cold-resistant silicone.\u003c\/p\u003e\u003cp\u003eDoes NOT fit Prometheus barrels with Krytac window!\u003c\/p\u003e","brand":"Silent Sniper","offers":[{"title":"Default Title","offer_id":52552529871189,"sku":"SP-SILS-03","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/20190420-174645_702bfbc0-9897-46fc-b809-bd40c44c53eb.jpg?v=1771965609"},{"product_id":"silent-sniper-shore-60-rhop-bucking-srs","title":"Shore 60 Hardness Rhop Bucking for Prometheus EG Barrel","description":"\u003cp\u003eAs you can see, this R-hop has a perfect fit. It has the same wall thickness as the barrel and does not protrude beyond the barrel's flat surface. When touched, you cannot feel any height difference between the barrel and the R-hop. Available in Shore 50 (blue), 60 (green), and 70 (yellow), made from high-quality cold-resistant silicone.\u003c\/p\u003e\u003cp\u003eDoes NOT fit Prometheus barrels with Krytac window!\u003c\/p\u003e","brand":"Silent Sniper","offers":[{"title":"Default Title","offer_id":52552529969493,"sku":"SP-SILS-02","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/20190420-174532-1_e5ebae77-0c1e-4dbf-a84c-38af5be8b271.jpg?v=1771965607"},{"product_id":"silent-sniper-shore-50-rhop-bucking-srs","title":"Shore 50 Hardness Rhop Bucking for Prometheus EG Barrel","description":"\u003cp\u003eAs you can see, this R-hop has a perfect fit. It has the same wall thickness as the barrel and does not protrude beyond the barrel's flat surface. When touched, you cannot feel any height difference between the barrel and the R-hop. Available in Shore 50 (blue), 60 (green), and 70 (yellow), made from high-quality cold-resistant silicone.\u003c\/p\u003e\u003cp\u003eDoes NOT fit Prometheus barrels with Krytac window!\u003c\/p\u003e","brand":"Silent Sniper","offers":[{"title":"Default Title","offer_id":52552530035029,"sku":"SP-SILS-01","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/20190420-174731-1_80f42ade-f9e7-4f04-b051-d364613ecadc.jpg?v=1771965604"},{"product_id":"maple-leaf-srs-hot-shot-bucking-75-pink","title":"SRS Hot Shot Bucking 75º (Pink)","description":"\u003cp\u003eThe new exclusive Hot Shot buckings designed to enable to SRS rilfes to use the Maple Leaf Crazy Jet series of barrels.\u003c\/p\u003e\r\n\u003cp\u003eThe new patch design helps increase range, accuracy and overall hop effect on heavy ammo, including .48’s and .5 BB’s.\u003c\/p\u003e\r\n\u003cp\u003eThe material is high quality and provides a great airseal with improved consistency between shots.\u003c\/p\u003e\r\n\u003cp\u003eThese buckings work best with flat\/concave nubs such as Modify, Omega nub, Stalker nubs and Skee.\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552552153429,"sku":"SP-MAPL-28","price":2.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srshotshot75.jpg?v=1770869464"},{"product_id":"maple-leaf-srs-hot-shot-bucking-70-blue","title":"SRS Hot Shot Bucking 70º (Blue)","description":"\u003cp\u003eThe new exclusive Hot Shot buckings designed to enable to SRS rilfes to use the Maple Leaf Crazy Jet series of barrels.\u003c\/p\u003e\n\u003cp\u003eThe new patch design helps increase range, accuracy and overall hop effect on heavy ammo, including .48’s and .5 BB’s.\u003c\/p\u003e\n\u003cp\u003eThe material is high quality and provides a great airseal with improved consistency between shots.\u003c\/p\u003e\n\u003cp\u003eThese buckings work best with flat\/concave nubs such as Modify, Omega nub, Stalker nubs and Skee.\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552552284501,"sku":"SP-MAPL-27","price":6.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srshotshot70.jpg?v=1770869467"},{"product_id":"maple-leaf-srs-hot-shot-bucking-60-yellow","title":"SRS Hot Shot Bucking 60º (Yellow)","description":"\u003cp\u003eThe new exclusive Hot Shot buckings designed to enable to SRS rilfes to use the Maple Leaf Crazy Jet series of barrels.\u003c\/p\u003e\n\u003cp\u003eThe new patch design helps increase range, accuracy and overall hop effect on heavy ammo, including .48’s and .5 BB’s.\u003c\/p\u003e\n\u003cp\u003eThe material is high quality and provides a great airseal with improved consistency between shots.\u003c\/p\u003e\n\u003cp\u003eThese buckings work best with flat\/concave nubs such as Modify, Omega nub, Stalker nubs and Skee.\u003c\/p\u003e","brand":"Maple Leaf","offers":[{"title":"Default Title","offer_id":52552552350037,"sku":"SP-MAPL-26","price":6.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/srshotshot60.jpg?v=1770869469"},{"product_id":"stalker-kraken-srs-s2-hop-up-arm","title":"Kraken SRS S2 Hop-Up Arm","description":"\u003cp\u003e\u003cstrong\u003eStalker SRS Kraken S2 Hop-Up Arm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Stalker SRS Kraken S2 arm is made from a single piece of aluminum, featuring a pre-molded bump on top—no additional bump needed for chamber contact.\u003cbr\u003eThe arm has a long Prowler-style bump profile, designed for optimal compatibility with large hop-up windows and\/or large deformation patches.\u003cbr\u003eFor example, this arm works best with Stalker Morpheus barrels, most GBB barrels, or barrels with large square hop-up windows and oversized buckings.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe bump length is ~5.30 mm and matches exactly the shape of the Stalker Concave Bucking included in the SRS Kraken Starter Set (€79.95).\u003cbr\u003eSince this S2 arm and the Stalker Kraken SRS Concave Bucking are manufactured together, the arm lands precisely on the bucking patch, maximizing BB contact time and performance.\u003c\/p\u003e\n\u003cp\u003eThe arm is black anodized with 'S2' engraved on top.\u003c\/p\u003e\n\u003cp\u003eYou can follow my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information on Stalker products, technical guides, and build tips, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52553372795221,"sku":"SP-STAL-29","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/s2-arm_8a7dde0f-29e7-411b-a5e4-be5d09b58746.png?v=1771965884"},{"product_id":"stalker-kraken-hop-up-chamber-srs","title":"Kraken SRS Standard Edition","description":"\u003cp\u003e\u003cstrong\u003eStalker Kraken SRS Standard Edition Hop-Up Chamber.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stalker Kraken SRS hop-up chamber evolves and unleashes your SRS, turning it into a beast! Stalker offers a unique modular design that eliminates all previous sealing and alignment issues. It includes Stalker's exclusive 2-lip VSR bucking and its quick, simple mounting system—making this hop-up chamber the ultimate upgrade for your SRS. In under 2 minutes, gain +20 FPS, achieve perfect seal, eliminate alignment headaches, and play with confidence.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy setup for professional or beginner airsofters (chamber installation in under 2 minutes)\u003c\/li\u003e\n\u003cli\u003e100% auto-alignment system for consistently straight setup.\u003c\/li\u003e\n\u003cli\u003ePatented 100% straight \/ 100% sealed Kraken Bucking.\u003c\/li\u003e\n\u003cli\u003eTrimmed hop wheel head for easy adjustment.\u003c\/li\u003e\n\u003cli\u003eRing-guided hop wheel.\u003c\/li\u003e\n\u003cli\u003eCustom steel hop arm screw.\u003c\/li\u003e\n\u003cli\u003eLaser-engraved white text and lettering.\u003c\/li\u003e\n\u003cli\u003eFront O-ring prevents BBs from dropping into the receiver.\u003c\/li\u003e\n\u003cli\u003eModular chamber design compatible with most VSR buckings, bridged\/unbridged barrels, and nubs.\u003c\/li\u003e\n\u003cli\u003eModular arm section to swap and use S1, S2, and S3 arms.\u003c\/li\u003e\n\u003cli\u003eV-slot island for outer top cylinder screw (SRS A1).\u003c\/li\u003e\n\u003cli\u003eV-slot for outer bottom cylinder screw (SRS A2).\u003c\/li\u003e\n\u003cli\u003eFlat-body side cuts for Future Stalker products.\u003c\/li\u003e\n\u003cli\u003eQuick setup for easy barrel installation, swapping, or cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis \u003cstrong\u003eStandard\u003c\/strong\u003e package includes the following parts:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Kraken SRS VSR-style Hop-Up Head\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Chamber Body\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Wheel\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Chamber S1 Arm\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Chamber Spring\u003c\/li\u003e\n\u003cli\u003e1x Custom Kraken SRS Hop-Up Chamber Screw\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Concave Bucking 60°\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Chamber Head O-Ring\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Wheel O-Ring\u003c\/li\u003e\n\u003cli\u003e1x Kraken SRS Hop-Up Chamber Back Body O-Ring\u003c\/li\u003e\n\u003cli\u003e3x Kraken SRS Hop-Up Chamber Body Lock Screws\u003c\/li\u003e\n\u003cli\u003e2x Kraken SRS Hop-Up Chamber Inner Barrel Lock Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"\/\/www.youtube.com\/embed\/9KWsVqc8ShY\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e*NOTE*\u003c\/p\u003e\n\u003cp\u003eThis chamber provides 100% seal with the included Stalker bucking. It also works with other VSR buckings, but for perfect 100% sealing, Stalker Kraken buckings are strongly recommended, as standard VSR buckings have wider entry openings and may not seal fully with the standard SBA nozzle.\u003c\/p\u003e\n\u003cp\u003e*NOTE* SRS A1 Sport or Carbon outer barrels may require an additional washer behind the hop-up body for proper function. Contact us if needed.\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my Instagram, Facebook, or YouTube channels here:\u003c\/p\u003e\n\u003cp\u003eFacebook: https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003cbr\u003eInstagram: https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003cbr\u003eYoutube: https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/p\u003e\n\u003cp\u003eFor more information on Stalker products, technical guides, and build tutorials, visit: www.stalkerairsoft.com\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52553375678805,"sku":"SP-STAL-19","price":79.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/148a9039-bewerkt_84215760-36d3-4e58-a4c6-d6b4f365b543.jpg?v=1771965829"},{"product_id":"stalker-srs-low-profile-nub","title":"SRS Low Profile Prowler Nub (LPP)","description":"\u003cp\u003eThe Low Profile Prowler Nub is the smallest and lowest in the family, increasing the range and accuracy of your SRS Airsoft Sniper.\u003c\/p\u003e\n\u003cp\u003eThis nub is designed for hop buckings with taller internal patches, such as Maple Leaf MRHop or T.N.T. buckings. This nub performs best with these types of buckings. If you have a lower patch or want more hop, we recommend trying the 60° or 75° Prowler nubs or the plastic Prowler nubs.\u003c\/p\u003e\n\u003cp\u003e- Prowler Clear = Hard Plastic (concave model)\u003cbr\u003e- Black Prowler Rubber = 60° Rubber Nub (concave model)\u003cbr\u003e- Purple Prowler Rubber = 75° Rubber Nub (concave model)\u003cbr\u003e- Prowler Blue = Hard Plastic, Low Profile (flat model with slight concave shape)\u003c\/p\u003e\n\u003cp\u003e* For R-Hop setups, we recommend the Stalker Tigra Nub\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52553375940949,"sku":"SP-STAL-18","price":8.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/148a8139_f8db14ef-e5c0-4a8d-ba39-e288e1e25d50.jpg?v=1771965824"},{"product_id":"stalker-srs-prowler-nub-set-60-75","title":"SRS Prowler Nub 60º+75º Set (Rubber)","description":"\u003cp\u003eThe SRS Prowler Rubber Nub 60° + 75° (set) is designed for larger hop windows like Maple Leaf Crazy Jet, Edgi, or Morpheus, and performs best with larger R-Hop patches. The Prowler Nub is the second smallest in the family, increasing range and accuracy of your SRS Airsoft Sniper by delivering more hop effect with less pressure—slowing BB spin less, improving precision, and maintaining FPS.\u003c\/p\u003e\n\u003cp\u003eWell-designed concave shapes provide stable, straight shots, resulting in enhanced accuracy.\u003c\/p\u003e\n\u003cp\u003eThe longest possible contact patch combined with most upgraded buckings and barrels delivers some of the best range improvements available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e* For R-Hop setups, we recommend the Stalker Tigra Nub\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e* This Nub performs best in R-Hop configurations with larger barrel windows.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExtensive testing and refinement went into designing this Stalker SRS Prowler Concave Nub.\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52553376039253,"sku":"SP-ST-NUB-005","price":12.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/prowler-front-rubber_a81a60c8-bed5-42c9-9aeb-84428c040e8b.jpg?v=1771965821"},{"product_id":"srs-prowler-nub","title":"SRS Prowler Nub","description":"\u003cp\u003e\u003cstrong\u003eSRS Prowler Nub\u003c\/strong\u003e is a STALKER concave hop-up nub for Silverback SRS builds using larger hop windows such as Maple Leaf Crazy Jet, EdGI or Morpheus barrels.\u003c\/p\u003e\n\u003cp\u003eIt is designed to increase range and precision by applying more hop effect with less pressure, reducing BB drag and helping maintain FPS. For dedicated R-Hop setups, STALKER recommends the Tigra Nub.\u003c\/p\u003e\n\u003cp\u003eAvailable with selectable hardness variants.\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"60° Rubber","offer_id":52553376366933,"sku":"SP-STAL-15","price":6.95,"currency_code":"EUR","in_stock":true},{"title":"75° Rubber","offer_id":53961269772629,"sku":"SP-STAL-16","price":6.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/prowler-front-rubber-60_54c20f9e-df38-4409-a180-ed51eab50b5f.jpg?v=1771965815"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/collections\/image_4861c4e4-68d6-48ed-b087-8af90850bd1c.webp?v=1779071004","url":"https:\/\/www.skirmshop.es\/en-us\/collections\/srs-hopup-chambers-parts.oembed?page=5","provider":"Skirmshop Spain","version":"1.0","type":"link"}