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"
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