| PLATFORM | MK4 |
| CALIBER | 5.56MM, 5.56X45MM |
| OPERATING SYSTEM | DIRECT IMPINGEMENT |
| BARREL LENGTH | 16.1 |
| BARREL TWIST | 1:7 |
| BARREL CONTOUR | MT |
| BARREL MATERIAL | 4140CM, SBN |
| BARREL TWIST | 1:7 |
| MUZZLE DEVICE | CMMG ZEROED MUZZLE BRAKE |
| MUZZLE THREAD | 1/2 X 28 |
| GAS PORT LOCATION | MID |
| GAS BLOCK | 0.750 NON-ADJUSTABLE |
| UPPER RECEIVER | BILLET 6061 T6 ALUMINUM |
| HAND GUARD | CMMG EML15 M-LOK |
| FINISH | CERAKOTE STANDARD |
| CHARGING HANDLE | CMMG ZEROED AMBI |
| WEIGHT | 4.3 LBS |
| LENGTH |
25″
|
UPPER GROUP, RESOLUTE, Mk4, 5.56X45MM NATO, 16.1″
Top off your next build with this RESOLUTE® Mk4 Upper Group. Chambered in 5.56x45mm, this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Available in seven different Cerakote finishes, all CMMG® Upper Groups come complete with bolt carrier group and ZEROED™ accessories including:
ZEROED AR15 Polymer Dust Cover
ZEROED AR15 Ambi Charging Handle
ZEROED Muzzle Brake 5.56mm
Lifetime Quality Guarantee
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