{"product_id":"cmmg-resolute-mk4-300-aac-blackout-16-1-ar-15-complete-upper-no-bcg-charging-handle","title":"CMMG Resolute MK4 300 AAC Blackout 16.1\" AR-15 Complete Upper - 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 \u003cstrong\u003eAR-15 upper receiver group\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e300 AAC Blackout\u003c\/span\u003e\u003c\/strong\u003e, built around a \u003cstrong\u003e16.1\" barrel\u003c\/strong\u003e finished in \u003cstrong\u003eArmor Black Cerakote\u003c\/strong\u003e. Designed for the \u003cstrong\u003eCMMG Mk4 platform\u003c\/strong\u003e, this upper ships fully assembled but is sold \u003cstrong\u003ewithout a bolt carrier group (BCG) or charging handle\u003c\/strong\u003e, allowing builders to pair it with their preferred components.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Resolute MK4 features a \u003cstrong\u003efree-float M-LOK handguard\u003c\/strong\u003e for accessory mounting and a barrel threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e for standard 300 BLK muzzle device compatibility. The 300 AAC Blackout chambering makes this upper well-suited for suppressed shooting, hunting, and tactical applications, performing well with both supersonic and subsonic loads. The upper weighs approximately \u003cstrong\u003e4 lbs\u003c\/strong\u003e and ships in packaging measuring roughly \u003cstrong\u003e3.30 x 4.45 x 31.20 inches\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for the assembled upper group only. BCG and charging handle are not included.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55292777562434,"sku":"30BC40AAB","price":491.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_24fdd8f8-4c71-49bf-b4ba-e86cec8815de.jpg?v=1785103363","url":"https:\/\/centerfiresystems.com\/products\/cmmg-resolute-mk4-300-aac-blackout-16-1-ar-15-complete-upper-no-bcg-charging-handle","provider":"Centerfire Systems","version":"1.0","type":"link"}