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 5996-01-515-6895
NSN 5975-01-612-4208
NSN 5855-01-593-2549
NSN 5999-01-230-9768
NSN 5930-00-253-5389
NSN 6105-00-121-8518
NSN 2925-01-625-6841
NSN 5975-01-265-8678
NSN 6105-01-545-8159
NSN 5965-00-289-6280
NSN 5910-01-094-8696
NSN 5998-01-319-4802