{"product_id":"shs-piston-14-tooth-electric-blowback","title":"SHS Piston — 14 Teeth, Electric Blowback Gearbox","description":"\u003cdiv style=\"background:#edfaf1;border-left:4px solid #27ae60;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#1a6b3a;\"\u003eSHS 14 Tooth Piston for Electric Blowback Gearboxes — cut for blowback shells, where an ordinary piston fouls.\u003c\/strong\u003e Compare it against the part you removed.\n\u003c\/div\u003e\n\u003cp\u003eElectric blowback gearboxes carry extra hardware inside the shell, and the piston is profiled around it. A conventional piston will not clear.\u003c\/p\u003e\n\u003cp\u003eThis is the blowback profile with fourteen teeth on a steel rack. Tooth count and head fitment are entirely ordinary; it is the shape of the body that differs.\u003c\/p\u003e\n\u003cp\u003eBlowback designs vary between manufacturers, so compare this against the part you are replacing rather than ordering on gearbox version alone.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;margin:0 0 18px;\"\u003e\n\u003ctr style=\"background:#1B3A6B;color:#fff;\"\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePiston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTeeth\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eRack\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBody\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eReinforced polymer, blowback profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eElectric blowback gearboxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSingle piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eGood to know before you buy\u003c\/h2\u003e\n\u003cp\u003eWe list this as the blowback pattern because that is how it reaches us. If your blowback unit is an aftermarket conversion, check the profile against your existing piston first.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes a blowback piston different?\u003c\/strong\u003e \u003cbr\u003eThe body is shaped to clear the blowback mechanism inside the shell. Everything else about it is conventional.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work in a gearbox without blowback?\u003c\/strong\u003e \u003cbr\u003eMechanically it may well, but there is no reason to choose it. An ordinary piston is the simpler part for an ordinary shell.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the rack full width or half?\u003c\/strong\u003e \u003cbr\u003eFull width, across fourteen teeth.\u003c\/p\u003e\n\u003cdiv style=\"background:#fffbe6;border-left:4px solid #f0d060;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n⚠ \u003cstrong\u003eBlowback designs are not standardised:\u003c\/strong\u003e hold this against the piston you removed before fitting, because the profile differs between manufacturers even within the same gearbox version.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1B3A6B;color:#fff;padding:12px 16px;border-radius:6px;margin:18px 0 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#fff;\"\u003e💡 Titan Forge Airsoft tip:\u003c\/strong\u003e Photograph the inside of the shell before you strip it. Blowback assemblies are easy to get back in the wrong order. Browse \u003ca href=\"\/collections\/piston-cylinder-heads\" style=\"color:#cdd6f4;\"\u003epistons and piston heads\u003c\/a\u003e.\n\u003c\/div\u003e","brand":"SHS","offers":[{"title":"Default Title","offer_id":55677710696824,"sku":"41023771","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/SHS14ToothElectricBlowbackPiston_TitanForgeAirsoft.webp?v=1790346604","url":"https:\/\/www.titanforgeairsoft.com\/products\/shs-piston-14-tooth-electric-blowback","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}