{"product_id":"sig-sauer-mcx-spear-lt-5-56-nato-11-5-barrel-gas-block-assembly","title":"Sig Sauer MCX-SPEAR LT 5.56 NATO 11.5\" Barrel \u0026 Gas Block Assembly","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSig Sauer MCX-SPEAR LT Barrel and Gas Block Assembly\u003c\/span\u003e\u003c\/strong\u003e is a factory replacement assembly for the \u003cstrong\u003eMCX-SPEAR LT\u003c\/strong\u003e rifle platform. This complete drop-in unit gives the shooter a refreshed, factory-spec \u003cstrong\u003e11.5-inch barrel\u003c\/strong\u003e paired with the matching gas block, gas valve, and gas piston system in a single package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eChambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e, the assembly ships as a complete factory unit including the \u003cstrong\u003ebarrel extension, barrel, gas block, gas valve, gas piston, and flash hider\u003c\/strong\u003e - the same components found on a factory MCX-SPEAR LT. The barrel is machined from \u003cstrong\u003estainless steel\u003c\/strong\u003e, finished in \u003cstrong\u003eblack\u003c\/strong\u003e, and threaded \u003cstrong\u003e1\/2x28\u003c\/strong\u003e to accept standard 5.56 muzzle devices and suppressors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a direct replacement or upgrade for existing MCX-SPEAR LT owners, this assembly allows the user to restore factory accuracy and reliability, replace a worn barrel, or refresh the gas system on the host firearm with factory-engineered components.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sig Sauer","offers":[{"title":"Default Title","offer_id":55112871838018,"sku":"178119","price":862.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_e7de5634-11f3-493c-af60-8cec97f945b0.png?v=1784806712","url":"https:\/\/centerfiresystems.com\/products\/sig-sauer-mcx-spear-lt-5-56-nato-11-5-barrel-gas-block-assembly","provider":"Centerfire Systems","version":"1.0","type":"link"}