CMMG Dissent BR4 9mm Carbine

The Dissent BR4 redefines what a pistol caliber carbine can be. Built on CMMG's proven Radial Delayed Blowback platform, this rifle delivers the ergonomics and handling characteristics of a full-size rifle while chambering the economical and versatile 9mm Luger cartridge.

Key Features

  • Radial Delayed Blowback System: CMMG's fixed ejector technology ensures reliable operation and superior control
  • 16.1" Threaded Barrel: Threaded for suppressors and muzzle devices; finished in durable black nitride
  • Coyote Tan Cerakote: Professional-grade finish in a practical, versatile color
  • Magpul SGA Stock: Adjustable, ergonomic polymer stock for comfortable shooting positions
  • Picatinny Rail: Integrated rail for optics and accessories
  • Magazine Compatibility: Ships with two 10-round CMMG magazines; accepts STANAG-pattern magazines for flexibility
  • California Compliant: Meets state-specific regulations

Why the Dissent BR4

Whether you're training, competing, or simply enjoying accurate, low-recoil shooting, the Dissent BR4 combines rifle-like handling with pistol-caliber economics. The modular design means you can swap upper groups and experiment with different configurations while keeping your lower receiver.

This is a serious tool for serious shooters who understand that versatility and reliability matter.

Attributes

Barrel Description: Threaded
Barrel Length: 16.1"
Caliber: 9mm Luger
Capacity: 10+1
Muzzle: Muzzle Brake
Overall Length: 38.10"
Receiver Material: Aluminum
Safety: Crossbolt
Sights: None
Stock Description: magpul sga
Stock Finish Group: Black
Trigger: Zeroed Single Stage
Twist Rate: 1:10
Weight: 7.8 lbs