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CMMG 9mm 8in Banshee Fixed Ejector Upper Group Receiver. Upper receiver for 9mm AR platforms. Specifications: Caliber 9mm Luger; Overall Length 16.5 in; Barrel Length 8 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 3 lb; Barrel Material 4140 Chrome Moly Vanadium; Magazine Included No. Compatible with MkGs, Mk17, and Mk9 lowers or mil-spec AR-15 lowers using 9mm conversion magazines. Package Contents: CMMG 9mm 8in Banshee Fixed Ejector Upper Group Receiver.
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