{"product_id":"rosco-manufacturing-k9-sauce-pack-ar-15-5-56-nato-12-5-barrel-kit-w-bcg-gas-system-nitride","title":"Rosco Manufacturing K9 Sauce Pack AR-15 5.56 NATO 12.5\" Barrel Kit w\/ BCG \u0026 Gas System - Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eRosco Manufacturing K9 Sauce Pack\u003c\/span\u003e\u003c\/strong\u003e is a turnkey \u003cstrong\u003eAR-15 barrel upgrade kit\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e, bundling Rosco's proven K9 barrel with the bolt carrier group and gas system components needed to complete an upper.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the core is a \u003cstrong\u003e12.5\" K9 barrel\u003c\/strong\u003e machined from \u003cstrong\u003estainless steel\u003c\/strong\u003e and finished in \u003cstrong\u003eblack Nitride\u003c\/strong\u003e for corrosion resistance and long service life. The barrel features a \u003cstrong\u003e1:7 twist\u003c\/strong\u003e to stabilize a wide range of bullet weights, and a \u003cstrong\u003e1\/2\"x28\u003c\/strong\u003e thread pattern ready for your preferred muzzle device. A \u003cstrong\u003epatrol-length gas system\u003c\/strong\u003e is tuned for reliable cycling with both 5.56 NATO and .223 Rem ammunition.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Sauce Pack includes a Rosco \u003cstrong\u003eBolt Carrier Group\u003c\/strong\u003e finished in \u003cstrong\u003eMelonite\u003c\/strong\u003e, built to MIL Specification with a properly staked gas key for durability under hard use. Also included are a matching \u003cstrong\u003epatrol-length gas tube\u003c\/strong\u003e and a \u003cstrong\u003enon-adjustable gas block (NGB)\u003c\/strong\u003e, giving you the gas system components needed to complete the upper assembly out of the box.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned to fit standard \u003cstrong\u003eAR-15\u003c\/strong\u003e platforms, the K9 Sauce Pack is an ideal barrel-and-gas-system solution for builders looking to assemble or refresh a compact 5.56 upper with matched, quality components from a single source.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":55048702394690,"sku":"179504","price":343.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_298d07b7-6b30-4412-a505-716c42daf435.png?v=1784702494","url":"https:\/\/centerfiresystems.com\/products\/rosco-manufacturing-k9-sauce-pack-ar-15-5-56-nato-12-5-barrel-kit-w-bcg-gas-system-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}