CMMG Resolute Mk4 Rifle .22 ARC 16.1″ 10rd

About this product

The CMMG Resolute Mk4 is a carbine-length modern sporting rifle built on the Mk4 AR platform and chambered in .22 ARC. It pairs a 16.1″ 4140 CM barrel with a mid-length .750 gas system and a 1:7″ rate of twist to provide cartridge-appropriate performance from an AR-style carbine. The rifle ships with CMMG ZEROED controls, a RipStock, an EML15 M-LOK handguard and a CMMG 10-round magazine.

Key Specifications

• The rifle is chambered in .22 ARC.
• The barrel measures 16.1 inches and is made from 4140 CM material.
• The action is semi-automatic.
• The twist rate is 1:7.
• The standard magazine capacity is 10 rounds and the magazine is detachable.
• The overall length is 32.5 inches.
• The listed weight is 6.44 lbs.
• The handguard is a CMMG EML15 M-LOK model.
• The muzzle is threaded 1/2-28″ and fitted with a CMMG ZEROED muzzle brake.
• The upper is billet 6061 T6 aluminum and the lower is Mk4 forged 7075 T6 aluminum.

Purpose-built for shooters who want the ballistic advantages of .22 ARC in an AR-style carbine, the Resolute Mk4 brings factory-installed controls and accessories that reduce the need for immediate upgrades. Its combination of a purpose-sized barrel, adjustable gas components and CMMG’s ZEROED parts suite delivers a practical, adaptable platform for precision-minded carbine applications. The Resolute Mk4 is a no-nonsense option for those who value reliable mechanical design and a thoughtfully equipped out-of-the-box rifle.

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