{"title":"AEG Rifle Pistons \u0026 Cylinders","description":"\u003cp\u003ePistons, cylinders, piston heads and cylinder parts for AEG assault rifles.\u003c\/p\u003e","products":[{"product_id":"hao-mk3-cylinder-m130-ptw","title":"Advanced MK3 SUS303 Cylinder (M130) - PTW","description":"\u003cp\u003e\u003cstrong\u003eThe new MK3 is now available and fully compatible with the Infinity version!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNew MK3 features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemovable front cap positioning pins for the new Infinity HOP UP unit\u003c\/li\u003e\n\u003cli\u003eEnlarged slot for the Infinity gearbox\u003c\/li\u003e\n\u003cli\u003eStill compatible with pre-2021 Systema gearboxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MK3 HAO cylinder version retains all the advantages of the MK1.\u003c\/p\u003e\n\u003cp\u003eWe have improved the surface finish of the piston and cylinder inner wall to make it smoother and reduce resistance.\u003c\/p\u003e\n\u003cp\u003eWe now use higher-quality ladder gears and NBR rubber components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt was the best—now it’s even better.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e--------------------------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTired of losing the index screw? Or tired of adjusting the weak and wobbly aluminum extrusion rail inside the cylinder?\u003c\/p\u003e\n\u003cp\u003eIntroducing the HAO Advanced PTW Cylinder.\u003c\/p\u003e\n\u003cp\u003eA cylinder that combines HAO’s latest technology in:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-piece SUS303 cylinder body with precision EDM wire-cut piston rail.\u003c\/li\u003e\n\u003cli\u003eUpgraded injection-molded polymer piston.\u003c\/li\u003e\n\u003cli\u003eSUS303 anti-torsion spring rotation bearing system.\u003c\/li\u003e\n\u003cli\u003eHeat-treated S45C EDM wire-cut ladder gear.\u003c\/li\u003e\n\u003cli\u003eUpgraded SUS303 nozzle.\u003c\/li\u003e\n\u003cli\u003eAll NBR rubber parts and O-rings redesigned and reinforced.\u003c\/li\u003e\n\u003cli\u003eBCGS (Bolt Carrier Group Sticker) makes your PTW look more like a real steel (RS) rifle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMPS\/FPS Conversion: (calculated with 6mm 0.2g BBs)\u003cbr\u003eM90 = 296.00 FPS = 0.81 J\u003cbr\u003eM110 = 361.84 FPS = 1.21 J\u003cbr\u003eM130 = 427.63 FPS = 1.69 J\u003cbr\u003eM150 = 493.42 FPS = 2.25 J\u003c\/p\u003e\n\u003cp\u003e*Notice: BCGS is only compatible with the HAO Advanced PTW Cylinder featuring a pre-milled 0.2mm deep slot to allow easy installation\/removal without damaging the sticker.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e*Notice: Fire the first 500 rounds gently to achieve optimal sealing and performance.\u003c\/p\u003e","brand":"HAO","offers":[{"title":"Default Title","offer_id":52550898123093,"sku":"SP-HAO-93","price":259.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/e2c9c2-d5d5a31563764ca89a1952ae330eed60-mv2_5cf8341d-3570-447a-a643-246fa1f24770.jpg?v=1771971220"},{"product_id":"hao-mk3-cylinder-m90-ptw","title":"Advanced MK3 SUS303 Cylinder (M90) - PTW","description":"\u003cp\u003e\u003cstrong\u003eThe new MK3 is now available and fully compatible with the Infinity version!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNew MK3 features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemovable front cap positioning pins for the new Infinity HOP UP unit\u003c\/li\u003e\n\u003cli\u003eEnlarged slot for the Infinity gearbox\u003c\/li\u003e\n\u003cli\u003eStill compatible with pre-2021 Systema gearboxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MK3 HAO cylinder version retains all the advantages of the MK1.\u003c\/p\u003e\n\u003cp\u003eWe improved the inner wall surface of both the piston and the cylinder to make it smoother and reduce resistance.\u003c\/p\u003e\n\u003cp\u003eWe now use higher-quality rack gears and NBR rubber.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt was the best—now it’s even better.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e--------------------------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTired of losing the index screw? Or tired of adjusting the weak, wobbly aluminum extrusion rail inside the cylinder?\u003c\/p\u003e\n\u003cp\u003eIntroducing the HAO Advanced PTW Cylinder.\u003c\/p\u003e\n\u003cp\u003eA cylinder that combines HAO’s latest technology in:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-piece SUS303 cylinder body with precision EDM wire-cut piston rail.\u003c\/li\u003e\n\u003cli\u003eUpgraded injected polymer piston.\u003c\/li\u003e\n\u003cli\u003eSUS303 anti-torsion spring rotation bearing system.\u003c\/li\u003e\n\u003cli\u003eHeat-treated S45C EDM wire-cut rack gear.\u003c\/li\u003e\n\u003cli\u003eUpgraded SUS303 nozzle.\u003c\/li\u003e\n\u003cli\u003eAll redesigned and reinforced NBR rubber components and O-rings.\u003c\/li\u003e\n\u003cli\u003eBCGS (Bolt Carrier Group Sticker) makes your PTW look more like a real steel (RS).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMPS\/FPS Conversion: (calculated with 6mm 0.2g BBs)\u003cbr\u003eM90 = 296.00 FPS = 0.81J\u003cbr\u003eM110 = 361.84 FPS = 1.21J\u003cbr\u003eM130 = 427.63 FPS = 1.69J\u003cbr\u003eM150 = 493.42 FPS = 2.25J\u003c\/p\u003e\n\u003cp\u003e*Notice: BCGS is only compatible with the HAO Advanced PTW Cylinder with a pre-milled 0.2mm deep slot for easier insertion\/removal without damaging the sticker.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e*Notice: Fire the first 500 rounds gently to achieve optimal sealing and performance.\u003c\/p\u003e","brand":"HAO","offers":[{"title":"Default Title","offer_id":52550898221397,"sku":"SP-HAO-92","price":255.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/e2c9c2-d5d5a31563764ca89a1952ae330eed60-mv2_3dab45c2-18ed-4b4d-9c77-edd21d44f6d8.jpg?v=1771971217"},{"product_id":"wii-tech-aluminium-piston-steel-gear","title":"Aluminum Piston with Bearing and Steel Gear","description":"\u003cp\u003eThese parts are manufactured using a CNC process, improving:\u003c\/p\u003e\n\u003cp\u003e1) piston strength;\u003c\/p\u003e\n\u003cp\u003e2) gear durability;\u003c\/p\u003e\n\u003cp\u003e3) smooth firing with extremely high power.\u003c\/p\u003e\n\u003cp\u003eThe piston safe working load (SWL) is 1.9J.\u003c\/p\u003e\n\u003cp\u003e2 rubber rings are included. One rubber ring is used for standard-size T.Marui gas cylinders. The other rubber ring is used for ported gas cylinders and Wii Tech gas cylinders.\u003c\/p\u003e","brand":"Wii Tech","offers":[{"title":"Default Title","offer_id":52550918668629,"sku":"SP-WII-36","price":30.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/2022-08-31-16-09-56-half-steel-gear-bearing-alumin_2d24a4c4-9f9e-4d85-9bda-d075d9c7892b.png?v=1771971106"},{"product_id":"stalker-vsr10-bumper-pad-set-3mm","title":"Anti-Shock Pad Set \/ Bumper Pad - 3mm","description":"\u003cp\u003eThese Stalker rubber anti-shock pads help reduce piston impact noise in Airsoft sniper rifles and\/or set the optimal alignment angle in your V2 \/ V3 AEG gearbox.\u003c\/p\u003e\n\u003cp\u003eThey also work with most sniper cylinder heads, as well as all Stalker cylinder heads, to reduce piston impact sound and cocking noise.\u003c\/p\u003e\n\u003cp\u003eSimply remove the current rubber pad from your existing cylinder head and glue this Stalker bumper pad in place using strong adhesive.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 4x 3mm thickness\u003c\/li\u003e\n\u003cli\u003eCompatible with most Airsoft sniper rifle cylinder heads\u003c\/li\u003e\n\u003cli\u003eCompatible with V2 and V3 gearbox cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis set includes the following 3mm anti-shock pads.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen = 40º hardness\u003c\/li\u003e\n\u003cli\u003ePink = 50º hardness\u003c\/li\u003e\n\u003cli\u003ePurple = 60º hardness\u003c\/li\u003e\n\u003cli\u003eOrange = 70º hardness\u003c\/li\u003e\n\u003c\/ul\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, technical guides, 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\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52550944719189,"sku":"SP-STAL-26.3","price":7.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_a8bc9414-ac0a-4557-bba2-3233ed5034bd.jpg?v=1771970836"},{"product_id":"stalker-bumper-pad-7mm-sniper","title":"Anti-Shock Pads Set \/ Bumper Pad - 7mm","description":"\u003cp\u003eThese Stalker rubber anti-shock pads help reduce piston impact noise in Airsoft sniper rifles and\/or set the optimal alignment angle in your V2 \/ V3 AEG gearbox.\u003c\/p\u003e\n\u003cp\u003eThey also work with most sniper cylinder heads, as well as all Stalker cylinder heads, to reduce piston impact sound and cocking noise.\u003c\/p\u003e\n\u003cp\u003eSimply remove the current rubber pad from your cylinder head and glue this Stalker bumper pad in place using strong adhesive.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 4x 7mm thickness\u003c\/li\u003e\n\u003cli\u003eCompatible with most Airsoft sniper rifle cylinder heads\u003c\/li\u003e\n\u003cli\u003eCompatible with V2 and V3 gearbox cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis set includes the following 7mm anti-shock pads:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen = 40º hardness\u003c\/li\u003e\n\u003cli\u003ePink = 50º hardness\u003c\/li\u003e\n\u003cli\u003ePurple = 60º hardness\u003c\/li\u003e\n\u003cli\u003eOrange = 70º hardness\u003c\/li\u003e\n\u003c\/ul\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 guides, 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\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52550973849941,"sku":"SP-STAL-26.1","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_c950d1d8-4692-491a-9e50-aa0ee6a0a430.jpg?v=1771970629"},{"product_id":"stalker-bumper-pad-5mm-sniper","title":"Anti-Shock Bumper Pad Set - 5mm","description":"\u003cp\u003eThese Stalker rubber anti-shock pads help reduce piston impact noise in airsoft sniper rifles and\/or set the optimal alignment angle in your V2 \/ V3 AEG gearbox.\u003c\/p\u003e\n\u003cp\u003eThey also work with most sniper cylinder heads, as well as all Stalker cylinder heads, to reduce piston impact sound and cocking noise.\u003c\/p\u003e\n\u003cp\u003eSimply remove the current rubber pad from your existing stock and glue this Stalker bumper pad in place using strong adhesive.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 4x 5mm thickness\u003c\/li\u003e\n\u003cli\u003eCompatible with most airsoft sniper rifle cylinder heads\u003c\/li\u003e\n\u003cli\u003eCompatible with V2 and V3 AEG gearbox cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis set includes the following 5mm anti-shock pads.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen = 40º hardness\u003c\/li\u003e\n\u003cli\u003ePink = 50º hardness\u003c\/li\u003e\n\u003cli\u003ePurple = 60º hardness\u003c\/li\u003e\n\u003cli\u003eOrange = 70º hardness\u003c\/li\u003e\n\u003c\/ul\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, technology 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\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"STALKER","offers":[{"title":"Default Title","offer_id":52550973915477,"sku":"SP-STAL-26.2","price":9.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/image_931aea1f-178a-45ac-a4f0-f31488209d3d.jpg?v=1771970627"},{"product_id":"hao-mk3-cylinder-ptw","title":"Advanced MK3 SUS303 Cylinder (M110) - PTW","description":"\u003cp\u003e\u003cstrong\u003eThe new MK3. Now available and fully compatible with the Infinity version!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNew MK3 features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemovable front cap positioning pins for the new Infinity HOP UP unit\u003c\/li\u003e\n\u003cli\u003eEnlarged slot for the Infinity gearbox\u003c\/li\u003e\n\u003cli\u003eStill compatible with pre-2021 Systema gearbox\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MK3. HAO’s cylinder version retains all the advantages of the MK1.\u003c\/p\u003e\n\u003cp\u003eWe have improved the surface of the piston and cylinder inner wall to make it smoother with less resistance.\u003c\/p\u003e\n\u003cp\u003eWe now use higher-quality ladder gears and NBR rubber components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt was the best, and now it’s even better.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e--------------------------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTired of losing the index screw? Or tired of adjusting the weak and wobbly aluminum extrusion rail inside the cylinder?\u003c\/p\u003e\n\u003cp\u003eIntroducing the HAO Advanced PTW Cylinder.\u003c\/p\u003e\n\u003cp\u003eThe cylinder that combines HAO’s latest technology in:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-piece SUS303 cylinder body with precision wire-cut EDM piston rail.\u003c\/li\u003e\n\u003cli\u003eUpgraded polymer-injected piston.\u003c\/li\u003e\n\u003cli\u003eSUS303 anti-torsion spring rotation bearing system.\u003c\/li\u003e\n\u003cli\u003eHeat-treated S45C wire-cut EDM ladder gear.\u003c\/li\u003e\n\u003cli\u003eUpgraded SUS303 nozzle.\u003c\/li\u003e\n\u003cli\u003eAll NBR rubber parts and O-rings redesigned and reinforced.\u003c\/li\u003e\n\u003cli\u003eBCGS (Bolt Carrier Group Sticker) makes your PTW look more like RS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMPS\/FPS Conversion: (calculated with 6mm 0.2g BBs)\u003cbr\u003eM90 = 296.00 FPS = 0.81J\u003cbr\u003eM110 = 361.84 FPS = 1.21J\u003cbr\u003eM130 = 427.63 FPS = 1.69J\u003cbr\u003eM150 = 493.42 FPS = 2.25J\u003c\/p\u003e\n\u003cp\u003e*Notice: BCGS is only compatible with the HAO Advanced PTW Cylinder featuring a pre-milled 0.2mm deep slot for easy insertion\/removal without damaging the sticker.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e*Notice: Fire the first 500 rounds gently to achieve optimal sealing and performance.\u003c\/p\u003e","brand":"HAO","offers":[{"title":"Default Title","offer_id":52551034634581,"sku":"SP-HAO-07","price":255.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/3607\/7909\/files\/e2c9c2-d5d5a31563764ca89a1952ae330eed60-mv2_05cae48a-e97a-440c-8a5a-03f1f2501d97.jpg?v=1771970278"},{"product_id":"action-army-cilindro-teflonado-cylinder","title":"Closed Teflon-Coated Cylinder V2+V3","description":"\u003cp\u003eFull Teflon coating V2+V3 Cylinder\u003c\/p\u003e\n\u003cp\u003eRecommended barrel length: 400 mm or longer.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe cylinder features a Teflon coating that creates a smooth surface for the piston to move back and forth. The side port allows the piston to properly compress the air. 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