{"title":"SRS Piston","description":null,"products":[{"product_id":"skirmshop-scorpion-piston-kit-srs-tac-41","title":"Scorpion SRS\/TAC41 Piston Spare Parts Kit","description":"\u003cp\u003e\u003cstrong\u003ePiston Replacement Kit for Scorpion SRS and TAC-41\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e8x O-rings for the base components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2x large O-rings for the spring guide - A2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1x nut for the air brake\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and updates on my YouTube, Facebook, or Instagram channels here:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFacebook:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\" target=\"_new\" rel=\"noopener\"\u003ehttps:\/\/www.facebook.com\/StalkerAirsoftDesigns\/\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstagram:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.instagram.com\/stalkerairsoftdesigns\/\" target=\"_new\" rel=\"noopener\"\u003ehttps:\/\/www.instagram.com\/stalkerairsoftdesigns\/\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eYouTube:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\" target=\"_new\" rel=\"noopener\"\u003ehttps:\/\/www.youtube.com\/channel\/UCWsBiSHlu-lbcnGQWAkeJWQ\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more information about Stalker products, technical guides, and installation manuals, visit: \u003ca href=\"http:\/\/www.stalkerairsoft.com\" target=\"_new\" rel=\"noopener\"\u003ewww.stalkerairsoft.com\u003c\/a\u003e\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52550726746453,"sku":"SP-STAL-ST-060-J","price":5.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image-4_5422fc46-023b-44f9-b1ad-e84c2b7b0cc8.webp?v=1771973325"},{"product_id":"wolverine-bolt-m-hpa-conversion-kit-srs","title":"Bolt M HPA Kit for Silverback SRS","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cbr\u003eThe BOLT M is an HPA conversion kit for bolt-action sniper rifles. It helps you stay concealed, focused on your target, and conserve air. Since it is inherently quiet, you can be the truly stealthy sniper. With no spring involved, you can cycle the action smoothly while staying locked onto your target. With our Air Saver technology, you get the most out of your HPA tank or CO2 cartridge. Requiring no FCU or battery, the BOLT M delivers pure, reliable mechanical performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSimply perfect performance: Based on the legacy of the original BOLT system, the BOLT M delivers top-tier performance.\u003c\/li\u003e\n\u003cli\u003eFully mechanical: The completely mechanical design provides more convenient and reliable battery-free operation.\u003c\/li\u003e\n\u003cli\u003eStay on target: The smooth, spring-free action makes it easier to keep your sight on target, improving follow-up shot speed and accuracy.\u003c\/li\u003e\n\u003cli\u003eEasy installation: Quickly switch between spring and HPA thanks to an innovative air connection system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInput pressure: 60–180 PSI (Use with the STORM regulator for best performance).\u003c\/li\u003e\n\u003cli\u003eOutput energy: Adjustable from 1.0 to 3.0J (depending on setup).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBOLT M HPA engine\u003c\/li\u003e\n\u003cli\u003eBOLT air line\u003c\/li\u003e\n\u003cli\u003eAir line adapter\u003c\/li\u003e\n\u003cli\u003eCylinder head\u003c\/li\u003e\n\u003cli\u003eO-ring kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Wolverine Airsoft","offers":[{"title":"Default Title","offer_id":52550782124373,"sku":"SP-WOLV- BLT-CA-004-SRS","price":239.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_e7715e09-a448-4095-9533-cb6f98e19c83.jpg?v=1771972634"},{"product_id":"stalker-scorpion-piston-srs-tac41","title":"Scorpion Piston Head SRS\/TAC41 - Extreme Stealth","description":"\u003cp\u003eThis SRS\/TAC41 piston head provides slightly lower joule output, but it is the best solution to make your SRS\/TAC41 extremely quiet. This head works in SRS cylinders or TAC41 cylinders. Use lubricant for perfect results; we recommend motor oil, silicone grease, or similar.\u003c\/p\u003e\n\u003cp\u003eAs a reference, a Rapax Lightpull Blue 2J+ spring delivers 2.2–2.3 joules in an SRS with a Stalker SRS cylinder and a 420 mm inner barrel. The original cylinder will produce fewer joules. Results may vary depending on the cylinder used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptimal thumb seal\u003c\/li\u003e\n\u003cli\u003eStandard joule output but extremely quiet.\u003c\/li\u003e\n\u003cli\u003eWe recommend purchasing some spring guide spacers to optimize the joule output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and information on my YouTube, Facebook, or Instagram 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\u003eFor more information about Stalker products and technology and manufacturing guides, visit: \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":52550973817173,"sku":"SP-STAL-55.1","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_cb257636-abf1-446d-a013-ea36aea6d680.jpg?v=1771970630"},{"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":"stalker-scorpion-srs-piston","title":"Scorpion Piston - SRS + Spring Guide","description":"\u003cp\u003e\u003cstrong\u003eThe new Stalker Scorpion piston for the SRS!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModular piston with adjustable weight (from ~65 to 148 grams)\u003c\/li\u003e\n\u003cli\u003eSilences your SRS\u003c\/li\u003e\n\u003cli\u003eIncreases joule\/FPS consistency\u003c\/li\u003e\n\u003cli\u003eAdjustable airbrakes for optimal fine-tuning\u003c\/li\u003e\n\u003cli\u003eSRS short-stroke option for faster reloads and shorter bolt pull.\u003c\/li\u003e\n\u003cli\u003eWorks with Open Piston Sear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe piston includes 2 adjustable airbrakes for optimal fine-tuning according to your setup.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 short 3.80 mm airbrake (optimal for 2J and 3J~ or higher).\u003c\/li\u003e\n\u003cli\u003e1 long 3.80 mm airbrake (optimal for 2J~ or lower).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA High Joule (shiny) piston head is included for higher joule output and a lighter bolt pull.\u003cbr\u003eUse lubricant for perfect results; we recommend motor oil, silicone grease, or similar. As a reference, a Rapax Lightpull Blue 2J+ spring delivers 2.2–2.3~ joules in an SRS with a Stalker SRS cylinder and a 420 mm inner barrel. The original cylinder will produce fewer joules. Results may vary depending on the cylinder used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGolden installation rules\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAlways apply a drop of oil or silicone grease to the edge of the head to achieve optimal joules.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFor 2.3J setups, we recommend starting with the short airbrake and fully unscrewing it.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFor 2.8J+ setups, we recommend starting with the short airbrake and fully screwing it in.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAlways set your hop-up correctly for your desired BB weight and adjust it to shoot straight.\u003c\/li\u003e\n\u003cli\u003eHigher joules = shorter airbrake\u003c\/li\u003e\n\u003cli\u003eLower joules = longer airbrake\u003c\/li\u003e\n\u003cli\u003eChoose your airbrake and start low, then increase (unscrew) gradually until the setup becomes quiet.\u003c\/li\u003e\n\u003cli\u003eWhen you begin losing joules, you know you are just past the perfect airbrake position; screw it back in slightly to regain joules and achieve the quietest setup.\u003c\/li\u003e\n\u003cli\u003eWorks best with the Stalker SRS cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGood setups require adjustable airbrakes because too many parts in your rifle can change the piston acceleration speed. Spring power, bucking hardness, barrel length, piston weight, etc. We also recommend purchasing some spring guide spacers to fine-tune piston weight and spring joules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded in this kit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Stalker stainless steel Scorpion spring guide (with engraved Stalker logo)\u003c\/li\u003e\n\u003cli\u003e1x Dampening rubber to place inside the rear of the Stalker spring guide\u003c\/li\u003e\n\u003cli\u003e1x High Joule piston head (shiny)\u003c\/li\u003e\n\u003cli\u003e1x Extreme Silent Cup (matte finish)\u003c\/li\u003e\n\u003cli\u003e1x Aluminum piston head.\u003c\/li\u003e\n\u003cli\u003e1x Stainless steel piston head.\u003c\/li\u003e\n\u003cli\u003e5x Aluminum weights.\u003c\/li\u003e\n\u003cli\u003e4x Stainless steel weights.\u003c\/li\u003e\n\u003cli\u003eSear made of stainless steel (15 grams)\u003c\/li\u003e\n\u003cli\u003e2 Adjustable airbrakes (long and short)\u003c\/li\u003e\n\u003cli\u003e1x Nut to lock the airbrake setting\u003c\/li\u003e\n\u003cli\u003e10 O-rings for between the weights or stock to prevent the weights from loosening during play.\u003c\/li\u003e\n\u003cli\u003e2 spring guide O-rings for SRS A2 buttpad\u003c\/li\u003e\n\u003cli\u003eFront and rear POM guide rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDetailed information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Scorpion piston is a unique concept in which 6 weights form the actual body. Since 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 your cylinder volume and joule output, but makes cocking your SRS much shorter with each added weight—at the cost of joule output, which can be compensated with a stronger spring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe piston comes with 9 body weights that are interchangeable to perfectly configure your SRS.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 black anodized aluminum body weights, each piece weighs: 3 grams\u003c\/li\u003e\n\u003cli\u003e4 polished stainless steel body weights, each piece weighs: 11 grams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdditionally, the piston also includes 2 head weight versions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Black anodized aluminum head weighing: 7 grams\u003c\/li\u003e\n\u003cli\u003e1x Polished stainless steel head weighing: 17 grams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eList of \u003cstrong\u003e6-piece\u003c\/strong\u003e configurations:\u003cbr\u003e\u003cem\u003e(The fifth stainless steel mid-section weight is sold separately if you wish to use the full heavy steel configurations)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSRS Scorpion 62g (1 aluminum head, 5 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 76g (1 aluminum head, 1 steel mid section, 4 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 80g (1 steel head, 5 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 89g (1 aluminum head, 2 steel mid sections, 3 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 93g (1 steel head, 1 steel mid section, 4 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 102g (1 aluminum head, 3 steel mid sections, 2 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 107g (1 steel head, 2 steel mid sections, 3 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 115g (1 aluminum head, 4 steel mid sections, 1 aluminum mid section)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 119g (1 steel head, 3 steel mid sections, 2 aluminum mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 128g (1 aluminum head, 5 steel mid sections)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 133g (1 steel head, 4 steel mid sections, 1 aluminum mid section)\u003c\/li\u003e\n\u003cli\u003eSRS Scorpion 145g (1 steel head, 5 steel mid sections)\u003cbr\u003e\u003cem\u003eThis configuration requires a fifth stainless steel mid section, sold separately.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth airbrakes are secured with a nut under the piston head against the head to keep them in place after adjustment. The adjustable airbrake is designed to fine-tune piston speed at the end of its travel to reduce cylinder air release time and minimize piston impact noise when it hits the cylinder head. A sorbo pad in the stock can still be used with this piston.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBasically, whether you like a plug-and-play piston or you are an expert who enjoys fine-tuning piston weights and airbrakes for maximum performance, the Stalker Scorpion is your best friend.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you have any issues or questions about this or other Stalker products, visit our Stalker Owners Facebook group here:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ehttps:\/\/www.facebook.com\/groups\/329589544772075\/\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:\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\u003eFor more information about Stalker products, tech and build guides, visit: \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":52551021887829,"sku":"SP-STAL-43-1","price":99.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_cb5f9f07-33c9-4d0f-8520-8a465cf12eff.jpg?v=1771970336"},{"product_id":"stalker-piston-head-adapter-scorpion-srs-tac41","title":"SRS\/TAC41 Piston Head Adapter for Scorpion Piston","description":"\u003cp\u003eAdapter for Scorpion SRS\/TAC41 piston head with O-ring\u003c\/p\u003e\n\u003cp\u003eThis Scorpion SRS\/TAC-41 weight piece connector allows the use of Silverback O-ring piston heads and compatible models in the Scorpion piston body.\u003c\/p\u003e\n\u003cp\u003eUse the shorter threaded side on the Silverback O-ring piston head\u003cbr\u003eUse the longer threaded side on the Scorpion piston\u003cbr\u003eOptional: use the upper guide ring of your Scorpion piston to extend or shorten your piston.\u003c\/p\u003e\n\u003cp\u003eAluminum - Black\u003cbr\u003e8 grams\u003cbr\u003e3 O-rings included.\u003c\/p\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52551023231317,"sku":"SP-STAL-62-1","price":13.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_046b1e2e-760b-4c92-ac66-c0d803e8a6ca.jpg?v=1771970296"},{"product_id":"silverback-tac-41-variable-mass-piston-metal","title":"Variable Mass Piston, Metal Base","description":"\u003cp\u003eCNC steel version of the variable mass piston body, for extreme mass configuration (55.1 grams instead of 19.0 grams for the aluminum version). Compatible with: - original SRS piston (SBA-BPS-13) - original TAC-41 piston (SBA-BPS-30) - variable mass piston for SRS (SBA-BPS-18) - variable mass piston for TAC-41 (SBA-BPS-31) - original SRS piston end (SBA-BPE-01) - original TAC-41 piston end (SBA-BPE-03)\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552277885269,"sku":"SP-SBA-BPS-33","price":27.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/bps-342_9ee404ad-0cb8-47b0-b5e0-82037fe1b94b.jpg?v=1771967234"},{"product_id":"silverback-tac-41-advanced-piston-head","title":"Advanced Piston Head (SRS \u0026 TAC-41)","description":"\u003cp\u003eThis piston head features: - Viton O-ring with a vented design. - No airbrake, with short, medium, and long airbrake options (for 4.00 mm inner nozzle - for original SRS and TAC-41 stock - POM piston ring - NBR 80° ring damper - CNC stainless steel construction for additional piston mass (from 30.2 to 31.7 grams, instead of 7.6 grams for the original piston head) An airbrake cuts off the airflow before the piston hits the bottom of the cylinder, creating an air cushion that reduces impact noise, possibly at the expense of muzzle energy Compatible with: - original SRS piston (SBA-BPS-13) - original TAC-41 piston (SBA-BPS-30) - variable mass piston for SRS (SBA-BPS-18) - variable mass piston for TAC-41 (SBA-BPS-31) - steel variable mass piston body (SBA-BPS-33)\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552279228757,"sku":"SP-SBA-BPH-01","price":42.25,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/bph-022_70647f60-9526-442c-9fdd-f26b6a13e02a.jpg?v=1771967229"},{"product_id":"silverback-srs-type-piston-end","title":"SRS Type Piston End","description":"\u003cp\u003eSRS piston end (SRS-070001),\u003c\/p\u003e\r\n\u003cp\u003eCarbon steel, CNC machined.\u003c\/p\u003e\r\n\u003cp\u003eCan be used to transform a TAC-41 piston into an SRS piston (including variable mass pistons).\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552436416853,"sku":"SP-SBA-BPE-01","price":8.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/sba-bpe-01_dc2e23c7-826a-4cca-aa7e-eb00dc21d077.jpg?v=1771966796"},{"product_id":"stalker-srs-piston-head-weight-steel-gold","title":"Scorpion SRS Piston Head  Weight Steel - Gold","description":"\u003cp\u003eReplacement part\u003cbr\u003eScorpion SRS Piston Head Weight - Gold\u003cbr\u003e24g\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Youtube, facebook or instagram 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":52552468922709,"sku":"SP-STAL-62","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/pistonhead1_46135578-f065-4a12-a9ff-098c9b666643.jpg?v=1771966270"},{"product_id":"stalker-srs-piston-head-weight-aluminium-black","title":"Scorpion SRS Piston Head Weight Aluminium - Black","description":"\u003cp\u003eReplacement part\u003cbr\u003eScorpion SRS Piston Head Weight Alluminium - Black\u003cbr\u003e8 gram\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Youtube, facebook or instagram 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":52552469021013,"sku":"SP-STAL-61","price":13.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/scorpionpistonhead2_de9f82a8-cf1b-4531-9dbd-b0d98960fdc3.jpg?v=1771966268"},{"product_id":"stalker-srs-piston-body-weight-steel-gold","title":"Scorpion SRS Piston Body Weight Steel - Gold","description":"\u003cp\u003eReplacement part\u003cbr\u003eScorpion SRS Piston Body Weight Steel - Gold\u003cbr\u003e21g\u003c\/p\u003e\r\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Youtube, facebook or instagram 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\r\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":52552469086549,"sku":"SP-STAL-60","price":12.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/pistonweightgold1_3a9bf682-8b17-40b0-9676-22b7a666f1da.jpg?v=1771966265"},{"product_id":"stalker-scorpion-srs-piston-body-aluminium-black","title":"Scorpion SRS Piston Body Weight Aluminium - Black","description":"\u003cp\u003eReplacement Part\u003cbr\u003eScorpion SRS Piston Body Weight Aluminium - Black\u003cbr\u003e7 gram\u003c\/p\u003e\r\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Youtube, facebook or instagram 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\r\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":52552469119317,"sku":"SP-STAL-59","price":11.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/pistonweightblack_d3eeb52b-d246-4342-b1fd-102e2efaddb4.jpg?v=1771966263"},{"product_id":"stalker-scorpion-srs-tac41-high-joule-piston-head","title":"High Joule Piston Head for Scorpion SRS\/TAC41","description":"\u003cp\u003eThis SRS\/TAC41 piston cup offers very easy cocking while delivering high joule output, remaining quiet when the airbrake is properly adjusted.\u003c\/p\u003e\n\u003cp\u003eThe Stalker High Joule cup enables you to upgrade with a 2J spring in 3J setups, or 3J springs in 4J setups—for example, the Stalker Scorpion piston with original SRS or TAC Silverback spring and 420mm inner barrel fires ~2J with .48 BBs.\u003c\/p\u003e\n\u003cp\u003eThis cup is compatible with SRS or TAC41 cylinders. Use a small amount of oil-based lubricant for optimal performance; we recommend motor oil silicone grease or similar.\u003c\/p\u003e\n\u003cp\u003eAs a reference, a 2J+ Blue spring delivers ~3J on an SRS with Stalker SRS cylinder + 420mm inner barrel.\u003c\/p\u003e\n\u003cp\u003eThe original cylinder will produce slightly fewer joules. Results may vary depending on the cylinder used.\u003c\/p\u003e\n\u003cp\u003eWe also offer an extremely quiet piston cup that reduces joules to near standard spring output, but is easier to make ultra-quiet.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero loading friction.\u003c\/li\u003e\n\u003cli\u003eThumb-sealed.\u003c\/li\u003e\n\u003cli\u003eHigh joule output.\u003c\/li\u003e\n\u003cli\u003eFast cocking (lighter pull) due to a looser spring that still delivers significantly more joules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou can follow all my live streams, photos, and info on my YouTube, Facebook, or Instagram 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\u003eFor more information on Stalker products and technical build guides, visit: \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":52552470036821,"sku":"SP-STAL-55","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/blackcup1_5301afd1-32e2-49ed-a6e5-9af91d2a3210.jpg?v=1771966253"},{"product_id":"stalker-scorpion-srs-receiver-front-guide-ring","title":"Scorpion SRS Front Guide Ring","description":"\u003cp\u003eReplacement Part\u003cbr\u003eScorpion SRS Front Guide Ring\u003c\/p\u003e\n\u003cp\u003eYou can follow all my live feeds, photos, and information on my Youtube, facebook or instagram 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":52552470069589,"sku":"SP-STAL-54","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/frontguidering2_d72d8b11-e309-436c-9532-1c1d0bf25810.jpg?v=1771966251"},{"product_id":"silverback-srs-piston-variable-mass","title":"Variable Mass Piston for SRS A1\/A2","description":"\u003cp\u003eSRS Variable Mass Piston\u003c\/p\u003e\n\u003cp\u003e- NBR piston cup\u003cbr\u003e- CNC AL 6061 T6 piston head\u003cbr\u003e- CNC AL 6061 T6 piston body\u003cbr\u003e- CNC steel piston end\u003cbr\u003e- CNC aluminum weights (4 pieces)\u003cbr\u003e- CNC steel weights (4 pieces)\u003cbr\u003e- PTFE grease\u003cbr\u003e- Tools\u003c\/p\u003e\n\u003cp\u003eThis specialized piston allows you to adjust your SRS’s output energy by tuning the piston mass from 40 to 137 grams across 15 different configurations.\u003c\/p\u003e\n\u003cp\u003ePlease follow the tutorial video below:\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Sf4Fv1X3gc0?feature=oembed\" width=\"648\" height=\"365\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eRef: SBA-BPS-18\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":52552527020373,"sku":"SP-SBA-BPS-18","price":60.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/silverback-srs-variable-mass-piston-pull-bolt-1_1bfdcedb-0da7-47ba-b238-ace7daeb41a8.jpg?v=1771965653"}],"url":"https:\/\/www.skirmshop.es\/collections\/srs-piston.oembed?page=2","provider":"Skirmshop Spain","version":"1.0","type":"link"}