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 6135-01-124-2376
NSN 5930-01-459-1240
NSN 6320-00-218-6105
NSN 5930-01-179-7491
NSN 6240-01-633-9357
NSN 6135-01-091-6021
NSN 6685-00-138-7250
NSN 5930-00-329-8094
NSN 5985-01-198-3237
NSN 5915-01-167-9072
NSN 5990-00-263-1289
NSN 5965-00-246-5612