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 choice of 10 Premier Cerakote colors, a CMMG RML15 M-Lok handguard, CMMG ZEROED Ambi charging handle, and CMMG’s SV muzzle brake. Chambered in .40 S&W, this upper group is ready for your next AR build.
The MkGs platform accepts Glock 9mm-style magazines, and features a unique magazine release.
All of our Upper Groups come complete with BCG.
All Products come with CMMG’s Lifetime Quality Guarantee.
TECHNICAL SPECIFICATIONS
| PLATFORM | MKGS |
| CALIBER | .40 S&W |
| OPERATING SYSTEM | RADIAL DELAYED BLOWBACK |
| BARREL LENGTH | 16.1 |
| BARREL TWIST | 1:16 |
| BARREL CONTOUR | MT |
| BARREL MATERIAL | 4140CM, SBN |
| BARREL TWIST | 1:16 |
| MUZZLE DEVICE | COMPENSATOR SV BRAKE |
| MUZZLE THREAD | .578 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 | 4.3 |
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