The 200 Series features a mil-spec charging handle, CMMG SV Brake, and a CMMG RML7 M-LOK handguard. Chambered in 5.7x28mm, this upper group is ready for your next AR build.
Pair with either a Mk57 lower group (accepts FN FiveSeven-style 5.7×28 magazines) or Mk4/mil-spec AR15 lower group(must use CMMG 5.7 conversion magazines).
All of our Upper Groups come complete with BCG.
All CMMG products come with our Lifetime Quality Guarantee.
**All NFA rules apply** See linked CMMG Resource article for more information.
TECHNICAL SPECIFICATIONS
PLATFORM | MK57 |
CALIBER | 5.7X28MM, 5.7X28MM (CONVERSION) |
OPERATING SYSTEM | RADIAL DELAYED BLOWBACK |
BARREL LENGTH | 8 |
BARREL TWIST | 1:9 |
BARREL CONTOUR | MT |
BARREL MATERIAL | 4140CM, SBN |
BARREL TWIST | 1:9 |
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 RML7 M-LOK |
FINISH | HARD COAT ANODIZED RECEIVERS AND HAND GUARD (CAN BE UPGRADED TO CERAKOTE) |
CHARGING HANDLE | CMMG MIL-SPEC |
WEIGHT | 2.15 |
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