CMMG Resolute Mk4 AR-15 Complete Upper Receiver 300 AAC Blackout 16" Barrel

CMMG's Resolute is engineered with purpose for those who refuse to compromise on quality. The Resolute features a medium tapered barrel designed for balance, accuracy and maneuverability. The Resolute offers a billet 6061 T6 Aluminum upper receiver assembly with a bolt carrier group, and a Cerakoted receiver and handguard. Whether it's hunting, personal defense, or target shooting, this .300 BLK RESOLUTE Upper Group is just the thing to finish your next carbine build. This upper is designed to w