CMMG Mk4 Resolute 5.56x45mm NATO 16.1" Midnight Bronze Upper Receiver

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Midnight Bronze. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This 5.56mm BANSHEE upper group is built on our Mk4 AR15 platform. Specifications for CMMG Mk4 5.56X45mm NATO 10.5in Banshee Upper Group Receiver: Manufacturer: CMMG Caliber: 5.56x45mm NATO Barrel Profile: Medium Taper Finish: Cerakote Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Type: Rifle Gun Make: CMMG Gun Model: CMMG Mk4 Magazine Included: No Package Contents: CMMG Mk4 5.56X45mm NATO 10.5in Banshee Upper Group Receiver What firearm models does the manufacturer say CMMG Mk4 5.56X45mm NATO 10.5in Banshee Upper Group Receiver is compatible with? The manufacturer suggests that CMMG Mk4 5.56X45mm NATO 10.5in Banshee Upper Group Receiver is compatible with CMMG Mk4CMMG 55BC7C3-MB: Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Midnight Bronze