{"product_id":"cmmg-resolute-mk4-5-56x45mm-nato-16-1-m-lok-free-float-upper-armor-black-no-bcg-charging-handle","title":"CMMG Resolute MK4 5.56x45mm NATO 16.1\" M-LOK Free-Float Upper - Armor Black (No BCG\/Charging Handle)","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCMMG Resolute MK4\u003c\/span\u003e\u003c\/strong\u003e is a complete AR-platform \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eupper receiver group\u003c\/span\u003e\u003c\/strong\u003e chambered in \u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e, built around a \u003cstrong\u003e16.10\" barrel\u003c\/strong\u003e and finished in a uniform \u003cstrong\u003eArmor Black\u003c\/strong\u003e coating. Designed as a turn-key upper assembly for the Mk4\/AR-15 platform, the Resolute pairs CMMG's free-float handguard with a precision barrel to give builders a ready-to-mount option for completing a custom rifle or upgrading an existing lower.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe handguard is CMMG's \u003cstrong\u003eM-LOK free-float\u003c\/strong\u003e design, providing a rigid, accurate platform with M-LOK slots along its length for accessories while allowing the barrel to float free of contact for consistent shot-to-shot performance. The barrel falls within CMMG's \u003cstrong\u003e16\" to 16.99\"\u003c\/strong\u003e length range, balancing maneuverability with the velocity and energy expected from a \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e chambering. The \u003cstrong\u003eArmor Black\u003c\/strong\u003e finish is applied across both the upper receiver and the free-float handguard for a matching, low-glare appearance suited to duty, training, and recreational applications.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAs supplied by the manufacturer, this upper ships \u003cstrong\u003ewithout a bolt carrier group (BCG) or charging handle\u003c\/strong\u003e, allowing builders to pair it with their preferred components. When mated with a compatible AR-15\/Mk4 lower receiver and a BCG of your choice, the Resolute MK4 upper forms the foundation of a versatile semi-automatic rifle.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55010565783874,"sku":"156346","price":494.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_4f3c6cbb-d5cf-4899-a7b9-64b6008aebd7.png?v=1784615585","url":"https:\/\/centerfiresystems.com\/products\/cmmg-resolute-mk4-5-56x45mm-nato-16-1-m-lok-free-float-upper-armor-black-no-bcg-charging-handle","provider":"Centerfire Systems","version":"1.0","type":"link"}