The barrel thread protector 37/64 x 28 / .578 x 28 thread is machined from US made steel to very high quality standards on CNC lathes in my shop. It is counter bored to accommodate barrels that are not undercut at the shoulder. It has a durable black oxide finish
Length is .625″
Outside diameter is .750 With a clean crisp knurl.
This thread protector works on Just Right Carbines and variants.
100% Made in the USA!
Please confirm size before ordering.