This Marlin manufactured sixth variation breech bolt Assembly is for the Glenfield model 75C semi-auto rimfire rifle and is in very good condition with light wear. This assembly consists of the sixth variation breech bolt, cartridge lifter roller, second variation firing pin, firing pin retaining pin, and the complete extractor assembly. (file photo)

Note: Marlin Glenfield model 75C rimfire rifles with the following year/serial number have been observed with this part:

1980: 20677893

1982: 18422851