Breek Arms BRK4421 Sentinel Caged Plan B Black Nitride Steel 5/8″x24 Threads 30 Cal
January 22, 2026
Breek Arms BRK4430 Echo Single Port Plan B Black Nitride Steel 1/2″x28 Threads 223 Cal/5.56mm
January 22, 2026
Breek Arms BRK4431 Echo Single Port Plan B Black Nitride Steel 5/8″x24 Threads 30 Cal
$59.95
Breek Arms BRK4431 Echo Single Port Plan B Black Nitride Steel 5/8″x24 Threads 30 Cal
5 in stock
Ultra-compact single-port design for the Plan B mounting system. The Breek Arms Plan B Echo Single-Port Muzzle Brake significantly reduces recoil and muzzle rise through 90 horizontal blast-vectoring ports keeping your rifle flat, fast, and ready for seamless suppressor swaps.
| UPC | 812296031787 |
|---|---|
| Manufacturer | BREEK |
| Manufacturer Part Number | BRK4431 |
| Model | Echo Single Port |
| Thread Pattern | 5/8"x24 |
| Caliber/Gauge | .30 Caliber |