YANKEE HILL MACHINE .45 Cal .578x28 Pistol Barrel .650 OD Pistol Thread Protector (YHM-3426-B)

.45 CaliberMade from SteelM16x1 Left Hand Thread PitchPistol Barrel Profile.700 Outside DiameterPlatedMatte Black This steel thread protec

9mm LugerMade from SteelM13.5x1 Left Hand Thread PitchPistol Barrel Profile.625 Outside DiameterPlatedMatte Black This steel thread protec

1/2x28 Thread Pitch9mm Diameter.570 Outside DiameterPlated This steel thread protector will prevent damage to the threads of your pistol barrel when a muzzle device is not installed.

.223 Caliber/5.56 NATOMade from Steel1/2x28 Thread PitchBull Barrel Profile.920 Outside DiameterPlatedMatte BlackWeight: 1.28 oz.

.223 Caliber/5.56 NATOMade from Steel1/2x28 Thread PitchPencil Barrel Profile.635 Outside DiameterPlatedMatte BlackWeight: 0.32 oz.