If you want the best an AR has to offer, then the 300 Series is your choice. This AR upper group is fitted with every desired feature including a CMMG RML15 M-Lok handguard, CMMG ZEROED Ambi charging handle, CMMG SV muzzle brake, .22LR gas deflector, and comes standard with a black hard coat anodized finish that can be upgraded to one of 10 premier Cerakote colors. Chambered in .22 LR, this upper group is ready for your next AR build.
This Mk4 upper group is designed to work with any CMMG Mk4 or other mil-spec AR15 lower reciever group along with our .22LR conversion magazines.
All of our Upper Groups come complete with BCG.
All CMMG products come with our Lifetime Quality Guarantee.
TECHNICAL SPECIFICATIONS
PLATFORM | MK4 |
CALIBER | .22 LR |
OPERATING SYSTEM | TRADITIONAL BLOWBACK |
BARREL LENGTH | 17 |
BARREL TWIST | 1:16 |
BARREL CONTOUR | MT |
BARREL MATERIAL | 4140CM, SBN |
BARREL TWIST | 1:16 |
MUZZLE DEVICE | COMPENSATOR SV BRAKE |
MUZZLE THREAD | 1/2 X 28 |
GAS PORT LOCATION | N/A |
GAS BLOCK | N/A |
UPPER RECEIVER | FORGED 7075-T6 AL M4 TYPE UPPER |
HAND GUARD | CMMG RML15 M-LOK |
FINISH | HARD COAT ANODIZED RECEIVERS AND HAND GUARD (CAN BE UPGRADED TO CERAKOTE) |
CHARGING HANDLE | CMMG ZEROED AMBI CHARGING HANDLE AR15 |
WEIGHT | 4.1 |
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