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 5935-01-421-7043
NSN 6145-01-479-1975
NSN 5996-01-241-5255
NSN 6110-01-129-5292
NSN 5930-01-323-7161
NSN 5996-01-289-0493
NSN 6110-01-328-8292
NSN 6130-00-723-4119
NSN 6110-00-864-5360
NSN 5920-01-460-6523
NSN 6685-01-218-3043
NSN 5990-01-070-9998