CMMG Mk47 7.62X39mm Resolute Upper Group Receiver

Built on the mid-size Mk47 platform that falls between AR15 and AR10/LR308 size, this Mk47 RESOLUTE Upper Group is made to be the one of the most robustly built 7.62x39mm 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: 5/8×24 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 Mk47 Weight: 4.9 lb Magazine Included: No Mount Type: M-LOK Package Contents: CMMG Mk47 7.62X39mm Resolute Upper Group Receiver