ASK AN EXPERTDescription
- Zeroed AR15 polymer dust cover
- Zeroed AR15 ambi charging handle
- Zeroed muzzle brake 5.56mm
- Brings 22-250 performance to the AR15 platform
- Comes ready to pair with any AR15 lower group
- Comes complete with bolt carrier group and Zeroed accessories
This CMMG AR-15 Resolute MK4 Upper Receiver Assembly is designed to pair with any standard AR15 pattern lower group. Harness the capability of 22 ARC in this uniquely designed Resolute 16.1" upper. Available in different Cerakote finishes, all CMMG Upper Groups come complete with bolt carrier group and Zeroed accessories.
The 22 ARC is the result of careful and meticulous design, following the same proven methodology as the highly acclaimed 6mm ARC. 22 ARC barrels feature an optimal 1:7 twist rate to better stabilize the heaviest 22 caliber bullets.
Warranty Information
| Platform | MK4 |
| Caliber | .22 ARC |
| Barrel Length, in | 16.1" |
| Operating System | Direct Impingement |
| Barrel Twist | 1:7 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Muzzle Device | CMMG ZEROED Muzzle Brake |
| Muzzle Thread | 1/2x28 |
| Gas Port Location | Rifle |
| Gas Block | Adjustable 0.750" |
| Upper Receiver | Billet 6061 T6 Aluminum |
| Hand Guard | CMMG EML15 M-LOK |
| Finish | Cerakote |
| Charging Handle | CMMG ZEROED Ambi |
| Length, in | 25" |
| Weight, lbs | 4.3 |
