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 6130-00-543-1302
NSN 5855-01-391-8176
NSN 6685-01-172-5482
NSN 5930-01-068-2710
NSN 5915-01-248-3334
NSN 6240-01-078-9490
NSN 5945-01-064-9007
NSN 6685-01-486-7243
NSN 6320-00-994-0179
NSN 5905-01-329-3248
NSN 6610-01-476-7412
NSN 6130-00-934-9654