{"product_id":"silverback-tac41-variable-mass-piston-red-w-piston-cup-nbr-70-black","title":"Silverback TAC41 Variable Mass Piston (Red) w\/ Piston Cup NBR 70 (Black)","description":"\u003cp\u003e\u003cstrong\u003eSilverback TAC41 Variable Mass Piston (Red) w\/ Piston Cup NBR 70 (Black)\u003c\/strong\u003e\u003cbr\u003eCNC 6061 T6 Aluminum Piston Head \u0026amp; Piston body\u003cbr\u003eCNC Steel Piston end\u003cbr\u003eAluminum flyweight (x4)\u003cbr\u003eSteel flyweight (x4)\u003cbr\u003e PTFE grease\u003cbr\u003e\u003cspan class=\"f12\"\u003eDesigned to allow the user to make fine adjustments to the FPS of your rifle by adding mass to the cylinder. \u003cbr\u003e When used in conjunction with different springs it can give any shooter the most FPS control possible. \u003cbr\u003eAdjusting the piston mass from 39 to 135 grams with 15 different configurations.\u003cbr\u003e\u003c\/span\u003eSuitable For Silverback TAC41P Series Airsoft Sniper Rifle\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":42257280729316,"sku":"SBA-BPS-31","price":51.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/1325\/2580\/products\/sba-bps-31-1l_407e294d-fe59-4270-ab7a-91cd436a093e.jpg?v=1640519003","url":"https:\/\/www.ehobbyasia.com\/ko\/products\/silverback-tac41-variable-mass-piston-red-w-piston-cup-nbr-70-black","provider":"eHobbyAsia","version":"1.0","type":"link"}