CMMG Resolute MK4 5.56x45mm NATO 16.10in Upper Group Medium Taper 1-7 Twist 1/2x28 A2 Flash Hider Cerakote Midnight Bronze 55BB40BMB

CMMG Resolute MK4 5.56x45mm NATO 16.10in Upper Group Medium Taper 1-7 Twist 1/2x28 A2 Flash Hider Cerakote Midnight Bronze 55BB40BMB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Resolute MK4 5.56x45mm NATO 16.10in Upper Group without BCG/Charging Handle: Manufacturer: CMMG Cartridge: 5.56x45mm NATO Barrel Length: 16.1 in Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: Cerakote Color: Midnight Bronze Gas Block Journal Size-Diameter: .750 in Handguard Length: 25 in Gun Type: Rifle Gun Make: CMMG Gun Model: CMMG Resolute MK4 Weight: 3.6 lb Barrel Material: 4140 Chrome Moly Vanadium Bolt Carrier Group Included: No Magazine Included: No Charging Handle Included: No Rifling Profile: Medium Taper CMMG Resolute MK4 5.56x45mm NATO 16.10in Upper Group without BCG/Charging Handle