CMMG Resolute MK4 Upper Receiver 6mm ARC 16.1"
- CMMG Resolute MK4 22 ARC 16.1" Rifle $823.06
- CMMG Resolute MK4 22 ARC 16.1" Rifle $831.38
- CMMG Resolute MK4 22 ARC 16.1" Rifle $831.38
- 22LR, 16.1" Barrel $693.08
- 300 AAC 14.5" Pinned Upper $482.29
- 300 Blackout, 16.1" $482.29
- 300 Blackout, 16.1" Barrel $823.06
- 350 Legend, 16.1" Barrel $831.38
- 5.56 16.1" Upper $823.06
- 5.56 NATO 16.1" Upper $498.07
- 6.5 Grendel 16.1" $823.06
CMMG Resolute MK4 upper receiver in 6mm ARC with 16.1" barrel and Armor Black Cerakote finish. Pairs with standard AR15 lower receivers for extended-range accuracy.
Fits: AR15
CMMG Resolute MK4 Upper Receiver
CMMG has engineered a modern long-range solution with the Resolute MK4 upper receiver, chambered in 6mm ARC—Hornady's Advanced Rifle Cartridge designed for precision shooting at distance.
Key Features
- Caliber: 6mm ARC for superior ballistics and accuracy at extended ranges
- Barrel Length: 16.1" optimized for velocity and handling
- Finish: Armor Black Cerakote for durability and corrosion resistance
- Compatibility: Pairs seamlessly with any standard AR15 lower receiver
- Design: Purpose-built upper receiver group for reliable function
Why Choose the Resolute MK4
The 6mm ARC represents a significant advancement in intermediate-range rifle cartridges. This upper receiver allows shooters to leverage that performance without purchasing a complete rifle. Simply mate it to your existing AR15 lower, and you have a capable long-range platform.
The 16.1" barrel strikes an excellent balance between velocity, accuracy, and practical handling. Whether you're shooting steel at distance or pursuing precision rifle competition, the Resolute MK4 delivers the performance you expect from CMMG's engineering.
Features
- precise manufacturing
- long term reliability
- durable construction
- 16.1 barrel"
- 6mm arc
- complete upper assembly
- cerakoted armor black
