CMMG Resolute MK4 Upper Group 300Blk 16.1 Blk

Cmmg Resolute Mk4 Upper Group 300Blk 16.1" Blk

Originally created for use in subsonic/suppressed applications, .300 BLK has evolved into a very capable caliber, available in a variety of subsonic and supersonic loadings. Whether it’s hunting, personal defense, or target shooting, this .300 BLK RESOLUTE Upper Group is just the thing to finish your next carbine build. This upper is designed to work with any standard AR15 lower. Available in six different Cerakote finishes, all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including :

ZEROED AR15 Polymer Dust Cover

ZEROED AR15 Ambi Charging Handle

ZEROED Muzzle Brake .308



Platform: Mk4

Caliber: .300 BLK

Operating System: Direct Impingement

Barrel Length: 16.1

Barrel Twist: 1:7

Barrel Contour: MT

Barrel Material: 4140CM, SBN

Muzzle Device: CMMG ZEROED Muzzle Brake

Muzzle Thread: 5/8 x 24

Gas Port Location: Carbine

Gas Block: 0.750 Non-Adjustable

Upper Receiver: Billet 6061 T6 Aluminum

Hand Guard: CMMG EML15 M-LOK

Finish: Cerakote Standard

Charging Handle: CMMG ZEROED Ambi

Weight: 4.1 lbs

Length: 25"