The CMMG Dissent BR3 is a semi-automatic AR-pattern rifle chambered in .308 Win with a 16.1-inch Empire Profile barrel. It has a 10-round capacity, a 7075-T6 aluminum receiver, a Magpul stock, and comes in Armor Black. This configuration has a non-threaded barrel and is CA/NY compliant. 
 

Key Specifications 

• Brand: CMMG 
• Model: Dissent BR3 
• Caliber: .308 Win 
• Action: Semi Auto 
• Barrel Length: 16.1 inches 
• Capacity: 10 rounds 
• Color/Finish: Armor Black 
   

Detailed Features 

• 16.1-inch Empire Profile non-threaded barrel 
• 7075-T6 aluminum receiver 
• Magpul stock 
• 10-round capacity, CA/NY compliant configuration 
• Armor Black finish

Owners of the CMMG Dissent BR3 in .308 Win generally appreciate the compact-for-caliber design that CMMG has built around the Dissent platform. The 16.1-inch barrel in .308 is a practical length for a carbine-format rifle, and the Empire Profile barrel is a common talking point for its balance of weight and rigidity.

The 7075-T6 aluminum receiver and Magpul stock combination gets positive marks for durability and ergonomics. The non-threaded, CA/NY compliant configuration draws buyers in restricted states, though owners outside those markets sometimes swap components to add threading. The 10-round limit in this trim is accepted as a compliance necessity.

Value discussion usually centers on whether the Dissent BR3 justifies its price over other .308 AR-pattern carbines. CMMG's build quality is generally respected, but the trigger in the Dissent splits opinions, with some finding it adequate and others upgrading it early. The Armor Black finish has held up well in most owner reports.