CMMG Complete MK9LE Upper, 9mm, 16"
The iconic Mk4LE Upper Group is available in 5.56x45mm, 300 AAC BLK, 9mm Luger and 22LR. They all feature a nitrided 16.1″ 4140 CrMo steel barrel in a M4 profile except the 300 BLK as it features a M300 multi-role barrel profile. The standard configuration includes a “F” marked front sight base.
Barrel: 16.1″, 1:10 twist, M4 profile, 4140CM, SBN
Muzzle: A2 comp., threaded 1/2-36
Hand Guard: M4 type 2-piece hand guards
Receivers: Forged 7075-T6 AL M4 type upper
Upper Group consists of:
Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist, Gas Deflector)
Hand Guard and Barrel Nut
Bolt Carrier Group