Description
CMMG Dissent BR4 is a semi-auto rifle chambered in .223 REM/5.56 NATO with a 16.1 in barrel. The barrel finish is black nitride, and the rifle uses a reversible crossbolt safety. A 1/2×28 thread pattern is set up for compatible muzzle devices, with a 1:7″ twist rate for stabilizing suitable projectiles.
- Reversible crossbolt safety
- 1:7″ rate of twist
- 1/2×28 thread pattern
- Barrel finish: black nitride
- Black Armor cerakote aluminum receiver with Picatinny rail
- M-LOK handguard
| Caliber | .223 REM/5.56 NATO |
|---|---|
| Action | Semi-Auto |
| Barrel Length | 16.1 in |
| Rate of Twist | 1:7" |
| Thread Pattern | 1/2"x28 |
| Safety | Reversible Crossbolt |



