CMMG Dissent BR4 5.56 NATO 16.1in Non-Threaded
Specs at a glance
About this product
The CMMG Dissent BR4 is a purpose-built modern sporting rifle chambered in 5.56x45mm with a 16.1-inch Empire-profile non-threaded barrel. Its design pairs a reliable direct-impingement operating system with user-focused controls such as a reversible side charger and ambidextrous cross-bolt safety. The rifle ships with two 10‑round Magpul PMAGs and a Magpul SGA stock configured for Remington 870 compatibility. The configuration is intended for range use, deliberate target work, and for users who require a non-threaded barrel profile.
Key Specifications
- The rifle is chambered in 5.56x45mm.
- The barrel measures 16.1 inches with an Empire profile and a recessed crown.
- The barrel is made from 4140CM steel with a nitride finish.
- The twist rate is 1:7.
- The gas system uses a .750-inch car-length gas system with an adjustable gas block.
- The action operates on direct impingement.
- The upper and lower receivers are constructed from 7075 T6 aluminum.
- The handguard is a 13.5-inch proprietary M-LOK design.
- It ships with two 10-round Magpul PMAGs for a 10+1 capacity.
- Controls include a reversible side charger and a reversible cross-bolt safety.
With its Empire-profile non-threaded barrel, adjustable gas system, and user-focused features, the Dissent BR4 provides a practical, reliable platform for shooters seeking a well-equipped 5.56 rifle.
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