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 .308 Win, this upper group is ready for your next AR build.
The Mk3 platform accepts AR10-style magazines, and is beefier and heavier than Mk4 in order to handle larger calibers. Accepted calibers are .308 Win and 6.5 Creedmoor.
All of our Upper Groups come complete with BCG.
All Products come with CMMG’s Lifetime Quality Guarantee.
TECHNICAL SPECIFICATIONS
PLATFORM | MK3 |
CALIBER | .308 WIN |
OPERATING SYSTEM | DIRECT IMPINGEMENT |
BARREL LENGTH | 16.1 |
BARREL TWIST | 1:10 |
BARREL CONTOUR | MT |
BARREL MATERIAL | 416SS, SBN |
BARREL TWIST | 1:10 |
MUZZLE DEVICE | COMPENSATOR SV BRAKE |
MUZZLE THREAD | 5/8 X 24 |
GAS PORT LOCATION | RIFLE |
GAS BLOCK | 0.750″ NON-ADJUSTABLE |
UPPER RECEIVER | BILLET 7075-T6 AL 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 .308 |
WEIGHT | 6.5 |
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