{"product_id":"cmmg-resolute-mk4-5-56-nato-16-1-ar-15-complete-upper-group-black","title":"CMMG Resolute MK4 5.56 NATO 16.1\" AR-15 Complete Upper Group - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMMG Resolute MK4 Complete Upper Group\u003c\/span\u003e\u003c\/strong\u003e drops onto any standard AR-15 lower to deliver a feature-rich \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e carbine built around a \u003cstrong\u003e16.1\" Chrome Moly barrel\u003c\/strong\u003e. The upper receiver is machined from \u003cstrong\u003ebillet 6061 T6 aluminum\u003c\/strong\u003e with a \u003cstrong\u003eblack\u003c\/strong\u003e finish, giving the platform the strength and rigidity expected from CMMG's Mk4 lineup.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFeaturing a \u003cstrong\u003e1:7\u003c\/strong\u003e twist rate and a \u003cstrong\u003e1\/2x28\u003c\/strong\u003e threaded muzzle, the Resolute MK4 stabilizes a wide range of bullet weights and accepts virtually any standard AR-15 muzzle device or suppressor. The barrel is paired with a properly sized gas system built around a \u003cstrong\u003e.750 in\u003c\/strong\u003e gas block journal for reliable cycling.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAn \u003cstrong\u003eM-LOK\u003c\/strong\u003e compatible handguard wraps the barrel, allowing you to mount accessories such as lights, lasers, bipods, and forward grips. This complete upper group is ready to pair with the AR-15 lower group of your choice for a custom build or as a replacement upper for an existing rifle.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e BCG and charging handle are \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55292778971458,"sku":"55BC7C3AB","price":839.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_57ec6123-ece3-4313-a5af-8c609bc0ee5b.jpg?v=1785103489","url":"https:\/\/centerfiresystems.com\/products\/cmmg-resolute-mk4-5-56-nato-16-1-ar-15-complete-upper-group-black","provider":"Centerfire Systems","version":"1.0","type":"link"}