{"product_id":"silencerco-piston-578x28","title":"SilencerCo Piston .578x28","description":"\u003cp\u003eThese pistons were designed to be easily changed for different host firearms or calibers. Pistons are built with 17?4 stainless steel then heat-treated for maximum durability. The piston is part of the Nielson device that moves and allows semi-automatic cycling for unlocking pistol barrels. Throw a Fixed Barrel Spacer on for fixed barrel applications. SilencerCo pistons have female threading that attaches to SilencerCo threaded barrels.\u003c\/p\u003e\u003cp\u003eXL pistons are for firearms where the silencer requires additional length between the threaded barrel and the silencer.\u003c\/p\u003e","brand":"SilencerCo","offers":[{"title":"Default Title","offer_id":52864843448602,"sku":"IKAC24","price":57.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/3179\/8298\/files\/IKAC24-2.jpg?v=1789307089","url":"https:\/\/neshaminyoutfitters.com\/products\/silencerco-piston-578x28","provider":"Neshaminy Outfitters","version":"1.0","type":"link"}