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 5975-00-296-6608
NSN 2925-00-355-5130
NSN 6220-00-947-3495
NSN 5975-00-285-6079
NSN 5985-01-436-7527
NSN 6105-01-429-9796
NSN 4140-01-058-3016
NSN 6150-00-566-3823
NSN 6650-01-432-1830
NSN 6320-01-371-3047
NSN 5915-00-178-1574
NSN 6130-01-194-6609