No other part numbers with same form, fit, and function found.
An item consisting of a bolt carrier, a breech bolt, a top plate, and a locating pin. It replaces a breech bolt in a rifle or machine gun to alter the operation of the weapon from gas to blow-back so that low-powered practice ammunition may be used. It is not intended for non-practice usage. Excludes bolt, breech and breechblock.
Classification: Parts and accessories for military rifles of heading 9301
NSN 6220-01-323-7897
NSN 5905-01-590-1639
NSN 5998-00-235-7949
NSN 6105-00-466-9880
NSN 6685-01-319-6680
NSN 5855-00-631-4565
NSN 5920-01-215-0497
NSN 5998-01-465-4437
NSN 5975-01-400-0627
NSN 5855-01-312-5160
NSN 5905-01-087-5696
NSN 6610-00-664-2190