CMMG Dissent BR3 .308 Win 16.10″ Threaded Barrel, Magpul SGA

About this product

The CMMG Dissent BR3 is a semi-automatic carbine platform chambered in .308 Winchester that blends compact handling with caliber-level performance. Its 16.10″ Black Nitride threaded barrel and full-length Picatinny top rail provide a practical foundation for optics and suppressor-compatible setups. The rifle features an M-LOK handguard and a Magpul SGA black polymer stock for modular accessory mounting and reliable ergonomics. Controls are ambidextrous to support a range of shooter preferences and carry positions.

Key Specifications

• The rifle is chambered in .308 / 7.62 NATO.
• The barrel measures 16.10″ and is threaded.
• The magazine capacity is 10 + 1.
• The unloaded weight is approximately 8.90 lbs.
• The overall length is 39.60″.
• The rate of twist is 1:10″.
• The muzzle is fitted with a CMMG Zeroed Muzzle Brake.
• The receiver is finished in Tungsten Cerakote Aluminum.
• The handguard uses M-LOK attachment slots.
• The stock is a Magpul SGA Black Polymer design and the safety is a Reversible Crossbolt.

Designed for utility on the range and in the field, the Dissent BR3 offers a compact .308 platform with features that support optics, accessory mounting, and user preference. Its threaded Black Nitride barrel, robust receiver finish, and familiar ergonomics make it a versatile choice for shooters seeking a dependable, configurable semi-automatic in 30-caliber applications.

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