An item which is an integral part of the barrel extension group of a weapon. It is designed to prevent the loss of gas pressure, by locking the barrel extension to the bolt during firing.
Classification: Parts and accessories for military rifles of heading 9301
NSN 6610-01-099-6186
NSN 5855-01-301-0158
NSN 5925-01-264-5080
NSN 5996-01-485-0212
NSN 6150-00-184-5523
NSN 6610-01-381-0652
NSN 5930-01-572-6734
NSN 6105-01-649-3569
NSN 5855-01-264-8599
NSN 5999-01-466-3799
NSN 5999-00-243-9820
NSN 5999-01-535-0259