9/16 x 28 Barrel thread protector 3/4″ long .735″ dia. Black #4339



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  .750″

Outside diameter is .735  with a clean crisp knurl.

100% Made in the USA!

Please confirm size before ordering.

Additional information

Weight 2 oz