CMMG 30BC40AAB Resolute MK4 .300 Blackout 16.1" Rifle

The CMMG 30BC40AAB Resolute MK4 .300 Blackout 16.1" rifle is engineered for operators who demand reliable, compact firepower in various roles. Built on the Resolute platform, this .300 Blackout carbine serves law enforcement entry teams, military support units, and civilian shooters seeking a versatile firearm capable of handling both supersonic and subsonic ammunition effectively.

The 16.1-inch barrel balances velocity retention with portability, making it ideal for close-quarters scenarios where sound signature and terminal performance are critical. The rifle features CMMG's refined direct-impingement design, specifically tuned for the .300 Blackout's expanding case capacity, ensuring consistent performance across various load types.

This rifle excels for teams running suppressed entries, close-support roles, or dedicated duty within specialized units. The .300 Blackout chambering, combined with CMMG's reputation for delivering consistent, tight-tolerance components, supports both barrier-blind ammunition and effective performance in diverse operational environments.