Surefire Muzzle Brake 7.62mm (Surefire MB762-211C)From Surefire:
- "Provides rock-solid suppressor attachment in seconds without tools
- Also serves as a precision adapter mount for SureFire FA762K suppressor
- Machined from heat-treated stainless steel, finished in a tough, corrosion-resistant coating
- Extreme resistance to heat and gas/particle erosion
- Installation requires no permanent modifications to most weapons"