{"product_id":"silverback-srs-variable-mass-piston","title":"Silverback SRS Variable Mass Piston","description":"\u003cp\u003eThis special piston will allow you to tweak the muzzle energy of your SRS by adjusting the piston mass from 40 to 137 grams with 15 different configurations.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003eSilverback SRS Variable Mass Piston\u003cbr\u003e\u003c\/strong\u003eMetal Construction\u003cbr\u003e\u003cspan class=\"f12\"\u003eCustomizable mass with different weights\u003c\/span\u003e (40 to 137 grams)\u003cbr\u003eNBR piston cup\u003cbr\u003eCNC AL 6061 T6 piston head\u003cbr\u003eCNC AL 6061 T6 piston body\u003cbr\u003eCNC steel piston end\u003cbr\u003eCNC aluminium flyweight (4 pieces)\u003cbr\u003eCNC steel flyweight (4 pieces)\u003cbr\u003ePTFE grease\u003cbr\u003eTools\u003cbr\u003e\u003cspan class=\"f12\"\u003eSuitable for Silverback SRS line of airsoft rifles\u003c\/span\u003e (Pull Bolt Only)\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Silverback","offers":[{"title":"Default Title","offer_id":42256564060388,"sku":"SBA-BPS-11","price":59.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/1325\/2580\/products\/SBA-BPS-11-1L_bb40f04e-6475-465e-be8a-d70fbdfba56c.jpg?v=1640500226","url":"https:\/\/www.ehobbyasia.com\/ko\/products\/silverback-srs-variable-mass-piston","provider":"eHobbyAsia","version":"1.0","type":"link"}