Area 419 Hellfire Self Timing Muzzle Brake 7mm/30cal Black Nitride 1/2-28

7mm/308 – Good for any bullet caliber up to and including 0.308 ie 7mm 284 270 (Magnums OK) – Extremely easy installation brake WILL NOT turn as you torque the collar to lock. No more guessing where the brake ports will line up once you tighten it down! – Simple round knurled nut that requires no tools to time the brake. – Return to zero is excellent. This means removal of your brake and re-installation will not require a zero change. – Simply torque the universal adapter onto your bar