CMMG Resolute MK4 22 LR 16.1" Complete Upper Group Black

The CMMG Resolute MK4 is a complete AR-15 upper group chambered in 22 LR designed for precision rimfire shooting and training applications. Features a forged aluminum upper receiver with matte black anodized finish. The 16.1" steel barrel with matte black finish and 1:7" twist rate provides excellent accuracy with rimfire ammunition. This complete upper group is ready to install on any mil-spec AR-15 lower receiver. The Resolute MK4 system offers reliable cycling with 22 LR ammunition while maintaining familiar AR-15 controls and ergonomics. Perfect for training, plinking, and precision rimfire shooting. Includes bolt carrier group and charging handle for complete installation.