CMMG Dissent BR4 5.56 NATO Semi-Auto Rifle 16.1" Barrel

The CMMG Dissent BR4 delivers precision shooting performance in a compact, reliable platform chambered in 5.56 NATO. This semi-automatic rifle combines CMMG's proven engineering with modern ergonomics for competitive shooting and tactical applications.

What Makes This Different

The Dissent BR4 features CMMG's radial delayed blowback operating system, eliminating the need for a buffer tube and allowing for a more compact overall length. This system reduces felt recoil compared to traditional direct impingement designs while maintaining exceptional reliability. The 16.1-inch barrel provides optimal velocity for 5.56 NATO ammunition while keeping the rifle maneuverable in tight spaces.

Key Features

• Radial delayed blowback operating system for reduced recoil and compact design
• 16.1-inch 4150 chrome moly vanadium steel barrel with 1:7 twist rate
• Ambidextrous controls including safety selector and magazine release
• M-LOK compatible handguard for accessory mounting flexibility
• Accepts standard AR-15 magazines and triggers
• Adjustable gas system for reliable cycling with various ammunition weights
• Cerakote finish for enhanced corrosion resistance

The rifle delivers consistent accuracy potential of 2 MOA or better with quality ammunition, making it suitable for precision applications and competitive shooting. The radial delayed system cycles smoothly with both 55-grain and 77-grain projectiles, providing versatility across different shooting disciplines. Weather-sealed components ensure reliable function in adverse conditions, from humid environments to dusty ranges.

Technical Specs

• Caliber: 5.56 NATO/.223 Remington
• Barrel Length: 16.1 inches
• Overall Length: Approximately 35 inches
• Weight: Approximately 6.5 pounds
• Operating System: Radial delayed blowback
• Handguard: M-LOK compatible aluminum
• Magazine Capacity: Accepts standard AR-15 magazines
• Finish: Cerakote protective coating
• Made in USA with lifetime warranty

The CMMG Dissent BR4 represents a significant advancement in rifle design, offering shooters the reliability they demand with innovative engineering that reduces maintenance requirements. This platform provides the accuracy and durability needed for serious applications while incorporating user-friendly features that enhance the shooting experience.