The CMMG Resolute Mk4 is a compact, adaptable AR-15-style rifle chambered in .350 Legend. Its 16.1-inch 4140CM, SBN barrel uses a 1:16 twist and is paired with a carbine-length direct-impingement gas system for dependable operation. The rifle features a billet 6061-T6 aluminum upper receiver, forged 7075-T6 aluminum lower receiver, CMMG EML15 M-LOK handguard, ZEROED ambidextrous charging handle, ZEROED drop-in trigger, and adjustable RipStock. Finished in Coyote Tan Cerakote, it includes a ZEROED muzzle brake and a 60/90-degree ambidextrous safety selector. The threaded muzzle supports compatible accessories, while the receiver mounting interface accommodates an optic.

Key features

• .350 Legend chambering delivers straight-wall hunting performance with manageable recoil.
• 16.1-inch 4140CM, SBN barrel with a 1:16 twist supports hunting and range use.
• CMMG EML15 M-LOK handguard provides flexible accessory mounting with reduced weight.
• ZEROED drop-in trigger offers a clean, consistent trigger interface.
• RipStock and six-position receiver extension allow length-of-pull adjustment.
• Ambidextrous charging handle and 60/90-degree safety selector support left- and right-handed operation.

The CMMG Resolute Mk4 combines a lightweight carbine configuration with practical hunting features and adaptable AR-15 compatibility.