Official Product of Ultimate Arms Gear, Brand New.
Designed to protect barrel threads when not using a muzzle brake, flash hider, or suppressor.
Machined from black phosphate coated steel and knurled for a positive grip to assist in installation and removal.
Prevents damage when a muzzle device is removed for maintenance, repair, or replacement.
Fits All Standard .936 Diameter Barrels Threaded in 5/8″x24 – Some may require a crush washer and 1 does come included
Especially handy when switching muzzle devices