1/2x28 Knurled thread protector for most .22LR .223 & 5.56mm.
Made of CNC machined Aluminium alloy with uniform black oxide finish. This knurled thread protector adds no extra weight to your firearm and provide good protection.
Smooth accurate threading and good knurling to provide excellent grip.
Comes with a keychain organizer to safely store and carry removed parts.