The barrel thread protector 9/16 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 QPQ Nitride finish.
Length is .625″
Outside diameter is .735 with a clean crisp knurl.
100% Made in the USA!
Please confirm size before ordering.