The CMMG Dissent BR3, chambered in .308 Winchester, delivers a compact, large-frame AR platform engineered for demanding full-power cartridge performance. Constructed with a robust 7075-T6 aluminum receiver, this rifle ensures consistent operational reliability. Its 16.10-inch barrel optimizes ballistic performance for the .308 Win while maintaining maneuverability for diverse applications.
Key Features
Caliber: The .308 Winchester cartridge provides a proven, versatile projectile suitable for intermediate to long-range engagements and various field applications.
Receiver: The 7075-T6 aluminum receiver offers a high strength-to-weight ratio, ensuring structural integrity and mitigating operational flex under dynamic firing conditions.
Barrel Length: A 16.10-inch barrel provides an effective balance between projectile velocity retention for the .308 Win cartridge and enhanced handling characteristics, facilitating rapid target acquisition and transition.
Finish: The Coyote Tan finish provides a durable, non-reflective surface, offering environmental protection and reduced visual signature.
Charging System: Integration of a reversible, non-reciprocating forward side charger allows for efficient and ergonomic manipulation, maintaining the shooter’s sight picture and operational control.
Controls: Ambidextrous magazine release and a traditional cross-bolt safety enhance user accessibility and control, adapting to diverse operational preferences.
Accessory Integration: M-LOK slots are precision-machined into the handguard, providing secure and modular mounting interfaces for illumination tools, grip enhancements, and critical tactical optics.
Compatibility: Designed with traditional AR ergonomics, the Dissent BR3 maintains extensive furniture compatibility. Furthermore, it integrates seamlessly with all DISSENT Mk3 upper receivers, allowing for modular system configuration.
Magazines: The rifle ships with two 10-round magazines, providing immediate operational capacity.
Technical Specifications
- Caliber: .308 Winchester
- Receiver Material: 7075-T6 Aluminum
- Barrel Length: 16.10 inches
- Finish: Coyote Tan
- Charging System: Reversible, Non-Reciprocating Forward Side Charger
- Safety: Traditional Cross-Bolt
- Magazine Release: Ambidextrous
- Handguard Accessory Interface: M-LOK
- Magazine Capacity: 10 Rounds (two included)
- SKU: TSW|170862
The Dissent BR3 provides a robust solution for the informed shooter requiring a capable AR-platform rifle. Its design and integrated features establish it as a practical option for precision applications, compatible with diverse ammunition types, and optimized for performance in varied operational environments.









