CMMG Resolute MK4 22LR Complete Upper 16.1" Black
- 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
- 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
- 6mm ARC 16.1" Upper $925.94
CMMG Resolute MK4 complete upper receiver in 22LR with 16.1" barrel. Ready to mount on compatible AR-15 lower receivers for affordable, accurate rimfire shooting.
Fits: AR-15
CMMG Resolute MK4 22LR Complete Upper Receiver
The CMMG Resolute MK4 represents a smart approach to affordable rifle shooting. This complete upper receiver assembly arrives ready to function—simply attach it to a compatible AR-15 lower receiver and you're prepared for the range.
Key Features
- Caliber: 22LR rimfire for economical practice and training
- Barrel Length: 16.1 inches, providing practical velocity and handling characteristics
- Complete Assembly: Includes barrel, bolt carrier group, and all necessary components
- Finish: Black anodized for durability and corrosion resistance
- Platform Compatibility: Designed for standard AR-15 lower receivers
Why Choose This Upper
The 22LR cartridge offers shooters several advantages. Ammunition costs significantly less than centerfire rounds, making extended practice sessions more affordable. Recoil is minimal, allowing shooters to focus on fundamentals and marksmanship technique. The Resolute MK4 platform maintains the ergonomics and controls you know from standard AR-15 rifles, making it an excellent training tool.
Whether you're introducing new shooters to the platform, conducting budget-conscious practice, or simply enjoying rimfire accuracy, this complete upper delivers reliable performance in a practical package.
