YANKEE HILL MACHINE .45 Cal M16.5x1 LH Pistol Barrel .700 OD Pistol Thread Protector (YHM-3428-B)

.45 CaliberMade from Steel.578x28 Thread PitchPistol Barrel Profile.650 Outside DiameterPlatedMatte Black This steel thread protector will

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.