{"product_id":"cmc-triggers-ar-15-barrel-5-56-nato-16-1-7-mid-length-gas-black-nitride","title":"CMC Triggers AR-15 Barrel 5.56 NATO 16\" 1:7 Mid-Length Gas - Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMC Triggers AR-15 Barrel\u003c\/span\u003e\u003c\/strong\u003e is a precision-match \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e chambered replacement barrel for custom AR-15 builds. Cut from \u003cstrong\u003e4150 Chrome Moly Vanadium\u003c\/strong\u003e steel and finished in \u003cstrong\u003eH\u0026amp;M Blacknitride+\u003c\/strong\u003e for high wear and corrosion resistance, each barrel is \u003cstrong\u003eair gauged\u003c\/strong\u003e for bore consistency and crowned with an \u003cstrong\u003e11 degree match crown\u003c\/strong\u003e for enhanced accuracy.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt \u003cstrong\u003e16 inches\u003c\/strong\u003e with a \u003cstrong\u003e1:7 twist\u003c\/strong\u003e rate, this barrel is set up for a \u003cstrong\u003emid-length gas system\u003c\/strong\u003e and features \u003cstrong\u003eM4 feed ramps\u003c\/strong\u003e for reliable feeding in semi-auto AR platforms. The \u003cstrong\u003e1\/2x28\u003c\/strong\u003e thread pattern fits standard AR-15 muzzle devices, and a bottom dimple at the gas block journal makes gas block alignment straightforward during installation.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMC Triggers","offers":[{"title":"Default Title","offer_id":55027086557506,"sku":"168248","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_f0b4bc34-9227-4116-a015-5764c27a5579.png?v=1784672750","url":"https:\/\/centerfiresystems.com\/products\/cmc-triggers-ar-15-barrel-5-56-nato-16-1-7-mid-length-gas-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}