CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Midnight Bronze

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Midnight Bronze. With the 12.5 BANSHEE upper group you can build your next 300BLK AR with character like no other. Specifications for CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver: Manufacturer: CMMG Caliber: .300 AAC Blackout Overall Length: 20.8 in Barrel Length: 12.5 in Barrel Profile: Medium Gas System Length: Pistol Length Barrel Twist Rate: 1-7 Threads per Inch: 5/8x24 Muzzle Device: CMMG Zeroed Linear Compensator Fabric/Material: 6061-T6 Aluminum Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Type: Rifle Gun Make: CMMG Gun Model: CMMG Mk4 Weight: 3.7 lb Magazine Included: No Mount Type: M-LOK Package Contents: CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver What firearm models does the manufacturer say CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver is compatible with? The manufacturer suggests that CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver is compatible with CMMG Mk4CMMG 30B8A6F-MB: Mk4 .300BLK Banshee Upper Group Receiver 12.5in Midnight Bronze