The CMMG Dissent BR4 in .300 AAC Blackout (brand part no. 30A650ACT) is built around one of the most adaptable cartridges available, suited for self-defense, hunting, or target shooting. CMMG pairs a 16.1-inch black nitride threaded barrel with a 1:7-inch twist tuned for both subsonic and supersonic .300 Blackout loads, and the rifle feeds from a 10-round magazine. A Coyote Tan Cerakote-finished aluminum receiver carries a Picatinny top rail, paired with a Magpul SGA black synthetic stock. Among modern sporting rifles in the AR rifles category, the Dissent BR4 favors shooters who want an adaptable .300 Blackout platform in a distinctive finish.

Key Specifications

• Chambered in .300 AAC Blackout with a 1:7-inch rate of twist.
• Features a 16.1-inch black nitride threaded barrel.
• Feeds from a 10-round magazine.
• Receiver is Coyote Tan Cerakote aluminum with a Picatinny top rail.
• Stock is a Magpul SGA black synthetic design.
• The safety is a crossbolt safety.
• Handles both subsonic and supersonic .300 Blackout loads.
• Built for California-compliant configuration.
• Finished in Coyote Tan.

Frequently Asked Questions

What loads does this rifle handle? Both subsonic and supersonic .300 Blackout ammunition.

What is the magazine capacity? A 10-round magazine.

Buy the CMMG Dissent BR4 .300 Blackout Rifle

An adaptable .300 Blackout platform in a distinctive finish is exactly what the Dissent BR4 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.