CMMG AR-15 Resolute Upper Receiver Assembly 9mm Luger 16" Barrel

CMMG Upper Group Resolute Fixed Ejector 9mm 16.1in 1-10 Twist 1/2 X 28 TPI 25.3in Armor Black. Compact action RDB was an advancement to the original RDB. This (fixed ejector on RDB) is a continued advancement bringing new technologies to the original platform. Looking to build the ultimate 9mm pistol caliber carbine? We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG this upper group is designed to work with a number of different lower receivers. From standard AR15 lowers (when used with AR 9 conversion mags) to any of our pistol magazine lowers (Mk9 MkGs and Mk17) you can build your next PCC exactly how you imagine. Specifications for CMMG Resolute Fixed Ejector 9mm 16.1in Upper Group: Manufacturer: CMMG Caliber: 9mm Luger Overall Length: 25.3 in Barrel Length: 16.1 in Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Muzzle Device: CMMG Zeroed Muzzle Brake Finish: Cerakote Fabric/Material: Aluminum Gun Rail: M-LOK Weight: 4 lb Barrel Material: 4140 Chrome Moly Vanadium Magazine Included: No Package Contents: CMMG Resolute Fixed Ejector 9mm 16.1in Upper Group CMMG 99BA20F-AB: Upper Group Resolute Fixed Ejector 9mm 16.1in 1-10 Twist 1/2 X 28 TPI 25.3in Armor Black