The Pencil 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 also has a durable Black Oxide finish.
It has a 9/16″ wrench flat.
Length is .625″
Outside diameter is .610 with a smooth finish to match your barrel.
This thread protector works on most AR15 .223/5.56 pencil barrels and variants.
100% Made in the USA!
Please confirm size before ordering.