CMMG Mk47 7.62X39mm Resolute Upper Group Receiver 16.1in Midnight Bronze

CMMG Mk47 7.62X39mm Resolute Upper Group Receiver 16.1in Midnight Bronze. 62x39mm AR uppers in existence. Due to the increased receiver and component size Mk47 uppers are only designed to work with Mk47 lowers which utilize AK-pattern magazines. Specifications for CMMG Mk47 7.62X39mm Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge: 7.62x39mm Overall Length: 25.5 in Barrel Length: 16.1 in Barrel Profile: Medium Tapered Gas System Length: Carbine Length Barrel Twist Rate: 1-10 Threads per Inch: 5/8x24 Muzzle Device: CMMG Zeroed Muzzle Brake Fabric/Material: 7075 T6 Aluminum Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Make: CMMG Gun Model: CMMG Resolute Mk47 Weight: 4.9 lb Magazine Included: No Mount Type: M-LOK Package Contents: CMMG Mk47 7.62X39mm Resolute Upper Group Receiver CMMG 76BFCB4-MB: Mk47 7.62X39mm Resolute Upper Group Receiver 16.1in Midnight Bronze