The CMMG Dissent BR3 is an AR-pattern semi-automatic rifle chambered in .308 Win with a 16.1-inch threaded barrel finished in Tungsten Cerakote. It has an aluminum receiver, an M-LOK handguard, a Picatinny rail, and ships with a Magpul SGA stock and a 10-round magazine. 
 

Key Specifications 

• Brand: CMMG 
• Model: Dissent BR3 
• Caliber: .308 Win 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 16.1 in 
• Color/Finish: Tungsten Cerakote 
   

Detailed Features 

• 16.1-inch threaded barrel in Tungsten Cerakote 
• Aluminum receiver with Picatinny rail 
• M-LOK handguard 
• Magpul SGA stock 
• 10-round magazine included

Owners of the CMMG Dissent BR3 in .308 Win appreciate the compact format it delivers in a larger caliber platform. Getting .308 Win performance in a 16.1-inch barrel package is the primary draw, and most buyers report the rifle runs reliably across a range of factory ammunition. The Tungsten Cerakote finish gets consistent praise for its durability and clean appearance.

The M-LOK handguard and Magpul SGA stock are practical choices that get neutral to positive feedback. The trigger is the most common complaint, with owners noting it is functional but benefits from an upgrade for precision work. The Picatinny top rail is a practical touch for optic mounting without additional hardware.

At its price point the Dissent BR3 competes with a handful of .308 AR-pattern rifles, and CMMG's quality control reputation is a factor buyers cite positively. A subset of owners would prefer a heavier barrel profile for sustained fire, but for the typical use case the 16.1-inch threaded barrel is well regarded.