{"product_id":"sig-sauer-4204140-r-extended-long-stroke-gas-piston-for-mcx-spear","title":"Sig Sauer 4204140-R Extended Long-Stroke Gas Piston for MCX Spear","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSig Sauer 4204140-R\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eextended long-stroke gas piston\u003c\/strong\u003e designed as a factory replacement component for the \u003cstrong\u003eSIG MCX Spear\u003c\/strong\u003e platform. Manufactured by \u003cstrong\u003eSig Sauer\u003c\/strong\u003e to original equipment specifications, this piston serves as a direct replacement for the factory gas piston in the MCX Spear operating system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eMCX Spear\u003c\/strong\u003e utilizes a long-stroke gas piston operating system, and this extended variant is built to the same fit and function standards as the original part. It installs in place of the factory piston to restore reliable cycling or replace a worn component, giving MCX Spear owners a factory-direct service part.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSig Sauer factory part number \u003cstrong\u003e4204140-R\u003c\/strong\u003e. Designed to fit the \u003cstrong\u003eSIG MCX Spear\u003c\/strong\u003e platform.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sig Sauer","offers":[{"title":"Default Title","offer_id":55073713684802,"sku":"192219","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_0d5bfd5f-282e-4998-a8ac-a124650e379c.png?v=1784751792","url":"https:\/\/centerfiresystems.com\/products\/sig-sauer-4204140-r-extended-long-stroke-gas-piston-for-mcx-spear","provider":"Centerfire Systems","version":"1.0","type":"link"}