CMMG Resolute MK4 22 ARC 16.1" 10+1 Semi-Auto Rifle - Tungsten Gray Cerakote

The CMMG Resolute MK4 is a modern sporting carbine built on the proven Mk4 (AR-15) platform and chambered in the high-performance .22 ARC cartridge. Wrapped in a tough Tungsten Gray Cerakote finish, this Resolute variant delivers CMMG's blend of feature-rich ergonomics and dependable semi-auto performance in a right-hand, optics-ready package.

At the heart of the rifle is a 16.10" threaded barrel with CMMG's MT contour, cut from 4140CM steel and finished with a salt bath nitride treatment for corrosion resistance and easy cleaning. The barrel carries a 1:7.5" twist optimized for stabilizing .22 ARC projectiles, and a muzzle brake is fitted at the crown to help manage recoil. The threaded muzzle makes it simple to swap in a suppressor or other device.

The MK4 action is a semi-auto direct-impingement design cycling through a machined aluminum receiver. Feeding is handled by a CMMG 10-round detachable magazine, giving the rifle a 10+1 capacity. Controls are upgraded with CMMG's ZEROED ambidextrous 60/90-degree safety selector and ZEROED trigger guard, paired with a clean, predictable single-stage trigger. The platform is optic ready for your favorite scope or red dot.

Up front, an M-LOK handguard provides plenty of real estate for lights, lasers, grips, and other accessories. At the rear, CMMG's 6-position RipStock lets the shooter dial in length-of-pull for a proper fit. Weighing 6.4 lbs and stretching 32.5" overall, the Resolute MK4 balances comfortably as a range carbine, hunting rifle, or defensive tool. One CMMG 10-round magazine is included.

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