The CMMG Dissent BR4 is a compact-action AR-pattern rifle chambered in 5.56x45mm with a 16.1-inch black nitride threaded barrel. The receiver is Midnight Bronze Cerakote aluminum paired with a brown synthetic stock, and it ships with a 10+1 capacity configuration. 
 

Key Specifications 

• Brand: CMMG 
• Model: Dissent BR4 
• Caliber: 5.56x45mm 
• Action: Semi Auto 
• Barrel Length: 16.1 in 
• Color/Finish: Midnight Bronze Cerakote 
• Capacity: 10+1 
   

Detailed Features 

• 16.1-inch black nitride threaded barrel 
• Midnight Bronze Cerakote aluminum receiver 
• Compact action configuration 
• Brown synthetic stock 
• 10+1 capacity magazine

The CMMG Dissent BR4 draws attention for the Midnight Bronze Cerakote finish, which owners describe as a clean, understated look that stands apart from standard black AR rifles. Most owners are satisfied with the build quality of the aluminum receiver and the evenness of the Cerakote application.

The compact action and threaded barrel are common talking points. Owners who run the Dissent BR4 suppressed appreciate the factory-threaded barrel, while others note the compact action geometry takes some getting used to if they are coming from a standard AR. Trigger feel is a topic that splits opinions.

The 10+1 capacity is the most consistent complaint from buyers in standard-capacity markets, with many swapping magazines immediately after purchase. In restricted markets it is a non-issue, and those owners tend to rate the platform more favorably overall.