Thread Protector, 1/2x28, .860 Dia., Stainless, Knurled A stainless knurled thread protector to protect and beautify the threaded muzzle of your barrel. Recessed threads on the back side assure a tight and seamless fit. Beautifully knurled for handy...

Thread Protector fits AR15 Pencil Contour 1/2 x 28 Stainless - Protect and beautify your Pencil Barrel muzzle threads with this beautiful knurled stainless thread protector. Standard 1/2 x 28 thread with a length of 5/8th inch and .625" diameter.

Thread Protector fits AR15 BULL Contour 1/2 x 28 Stainless- Protect and beautify your BULL Barrel muzzle threads with this beautiful knurled stainless thread protector. Standard 1/2 x 28 thread with a length of 5/8th inch and .930" diameter, it fits...