The CMMG Dissent BR4 in .22 ARC (brand part no. 28AC60C-AB) is a semi-auto carbine built around a 16-inch, 4140 chrome-moly barrel with a carbine-length gas system, finished in Cerakote black. CMMG fits the rifle with a reversible Dissent side-charging handle, a CMMG Zeroed muzzle brake threaded 1/2-28, and the CMMG EML15 M-LOK handguard. The rifle uses a Magpul SGA stock and fully ambidextrous controls. Among modern intermediate-cartridge AR platforms in the AR rifles category, the Dissent BR4 favors shooters who want a flat-shooting .22 ARC carbine with a compact side-charging action.

Key Specifications

• Chambered in .22 ARC.
• Barrel has a 1:7-inch rate of twist.
• Built on a semi-auto action with a carbine-length gas system.
• Features a 16-inch, 4140 chrome-moly barrel.
• Muzzle is threaded 1/2-28 with a Zeroed muzzle brake.
• Charging handle is a reversible Dissent side-charger.
• Wrapped in the CMMG EML15 M-LOK handguard.
• Stock is a Magpul SGA design.
• Controls are fully ambidextrous.
• Feeds from a detachable magazine with a 10-round capacity.
• Weighs approximately 6.7 pounds.

Frequently Asked Questions

What is .22 ARC? A modern, flat-shooting intermediate rifle cartridge.

How does the side-charging handle work? It is reversible for left- or right-hand charging.

Are the controls ambidextrous? Yes, fully ambidextrous.

Buy the CMMG Dissent BR4 .22 ARC

A flat-shooting .22 ARC carbine with a compact side-charging action is exactly what the Dissent BR4 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.