This listing is for a 9/16 x 24 Threaded barrel protector. It is machined from US made stainless 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.
Length is .460″
Outside diameter is .700 With a clean crisp knurl.
Fits Lone Wolf Aftermarket Threaded Barrels and other brands with a 9/16 x 24 thread.