CMMG built the Resolute MK4 as a modern AR pattern rifle designed to pair compact handling with the added energy of 338 ARC. This configuration features a 16.1 in black nitride threaded barrel Tungsten Cerakote aluminum receiver with Picatinny rail M-LOK handguard and a Tungsten CMMG Ripstock. Its versatile setup supports both suppressed and unsuppressed use in a compact rifle platform.Key Features338 ARC semi auto rifle with 16.1 in black nitride threaded barrel.Tungsten Cerakote aluminum receiver with Picatinny rail.M-LOK handguard for accessory mounting.Tungsten CMMG Ripstock and CMMG Zeroed grip.Built on the Mk4 AR pattern platform for compact and practical field use.CMMG builds modern AR pattern firearms around innovative operating systems and durable U.S. made components. The brand is known for pushing compact PDW and PCC designs forward with features like Radial Delayed Blowback ambidextrous controls and modular M-LOK handguards. From high round count training to defensive ready setups CMMG focuses on reliable function and practical performance features.