.45 muzzle brake for hk45

New and never installed.The HK Parts Micro Comp & Thread Protector is designed to be lightweight, and 100% functional as both a compensator and thread protector.  The HK Parts Micro Comp easily attaches to the end of any factory spec (.578 x 28) 45 cal barrel，perfect for HK 45 with threaded barrel.100 bucks shipped to your door. thanks for looking