1/2″ x 28 Standard barrel thread protector .75″ long Grooved #3103



The Standard barrel thread protector 1/2 – 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 grooved machined finish on the outside. It also has a durable Black Oxide finish.

Length is  .750″

Outside diameter is .730 With a clean crisp knurl.

This thread protector works on most  AR15 .223/5.56  pencil barrels and variants.

100% Made in the USA!

Please confirm size before ordering.

Additional information

Weight 2 oz