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 5925-00-636-5683
NSN 6110-01-382-3844
NSN 6650-01-009-8026
NSN 5996-00-518-0460
NSN 5835-00-373-2671
NSN 5910-00-609-7468
NSN 5835-01-414-3258
NSN 5998-01-219-3801
NSN 5920-01-238-8559
NSN 5835-01-495-0595
NSN 5996-01-341-4313
NSN 5905-01-406-4323