{"product_id":"cmmg-mk4-ar-15-350-legend-16-1-barrel-sub-assembly-black-nitride","title":"CMMG Mk4\/AR-15 350 Legend 16.1\" Barrel Sub-Assembly - Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eCMMG Barrel Sub-Assembly\u003c\/strong\u003e\u003c\/span\u003e is a replacement or build component chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e350 Legend\u003c\/strong\u003e\u003c\/span\u003e for \u003cstrong\u003eCMMG Mk4\u003c\/strong\u003e and \u003cstrong\u003eAR-15 upper receiver groups\u003c\/strong\u003e. Its \u003cstrong\u003e16.1\" barrel\u003c\/strong\u003e provides a rifle-length barrel configuration for a compatible upper build.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCMMG machines this barrel from \u003cstrong\u003e4140 chrome-moly steel\u003c\/strong\u003e with a \u003cstrong\u003emedium taper profile\u003c\/strong\u003e. The exterior has a \u003cstrong\u003eblack salt-bath nitride finish\u003c\/strong\u003e, while the bore uses a \u003cstrong\u003e1:16 twist\u003c\/strong\u003e. The threaded muzzle has a \u003cstrong\u003e1\/2x28 thread pitch\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel uses a \u003cstrong\u003ecarbine-length gas-port location\u003c\/strong\u003e and a \u003cstrong\u003e.750\" gas-block journal\u003c\/strong\u003e. A \u003cstrong\u003eproperly installed M4 barrel extension\u003c\/strong\u003e is included, and the barrel sub-assembly is \u003cstrong\u003eproperly headspaced\u003c\/strong\u003e. No sights are included or built into the assembly. Manufacturer-listed weight is \u003cstrong\u003e2 pounds\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew\u003c\/strong\u003e\u003c\/span\u003e component is supplied as a \u003cstrong\u003ebarrel sub-assembly with M4 barrel extension\u003c\/strong\u003e for a compatible CMMG Mk4 or AR-15 upper project.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eDISCLAIMER:\u003c\/span\u003e\u003c\/strong\u003e Firearms and receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Please visit \u003ca href=\"\/shipping-restrictions\/\" target=\"_blank\"\u003eour shipping restrictions page\u003c\/a\u003e to review all applicable restrictions for your state. Subject to change.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":54988329976130,"sku":"158959","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_5cac39fa-a713-48d3-99f2-c378b62df075.png?v=1784131756","url":"https:\/\/centerfiresystems.com\/products\/cmmg-mk4-ar-15-350-legend-16-1-barrel-sub-assembly-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}