CMMG Dissent BR4 30A650ACT 300 AAC Blackout 16.10in 10+1

The CMMG Dissent BR4 30A650ACT is a purpose-built .300 AAC Blackout carbine configured for versatile field and range use. It features a 16.10 inch threaded Black Nitride barrel and a full-length Picatinny rail over a Coyote Tan Cerakote aluminum receiver. The rifle ships with Magpul SGA black synthetic stock, a zeroed single-stage trigger, and two Magpul 10-round PMAGs for compact, reliable feeding. Its design balances everyday handling with capability for hunting, precision target work, and defensive applications.

Key Specifications

• The caliber is .300 AAC Blackout.
• The barrel measures 16.10 inches and is finished with a Black Nitride treatment.
• The barrel is described as threaded.
• The magazine capacity is 10 + 1.
• The rifling twist rate is 1:7.
• The unloaded weight is 7.80 lbs.
• The trigger is a Zeroed Single Stage unit.
• The muzzle device is a CMMG Zeroed Muzzle Brake.
• The stock is a Magpul SGA in Black.
• The overall length is 38.10 inches.

Purposeful in layout and finish, the Dissent BR4 combines practical ergonomics with materials and features selected for reliable performance. The threaded nitride barrel and full-length Picatinny rail provide a flexible platform for optics and accessories, while the Magpul SGA stock and single-stage trigger keep handling straightforward and consistent. Whether used for controlled-range precision, field hunting, or defensive readiness, this CMMG configuration delivers a compact, dependable package built around the adaptable .300 Blackout cartridge.

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