Area 419 Hellfire Self Timing Muzzle Brake 223/6mm Black Nitride 5/8-24

223/6mm – Good for any bullet caliber up to and including 0.243 (6mm) ie 223 5.56 NATO 204 17 cal etc 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. – Suppressor mount adapters optional – Simp