MSRP : $849.95
$796.95
The classic AR15 Upper Group configuration, based on the M16A4. The CMMG 55B2140 Mk4 A4 Upper Group’s defining characteristic is its 20″ government profile barrel. The 5.56mm barrel is chrome-lined and built to the military’s stringent specifications.
PRODUCT SPECIFICATIONS | |
Caliber: 5.56mm Barrel: 20″, 1:7 twist, government profile, 4150CMV CL, phosphate finish Muzzle: A2 compensator, threaded 1/2-28 Hand Guard: Rifle length 2 piece hand guards Receivers: Forged 7075-T6 AL M4 type upper Gas Port Location: Rifle |
Upper Group consists of: Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist) Barrel Sub-Assembly Hand Guard and Barrel Nut Charging Handle Bolt Carrier Group |
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