This Marlin manufactured sixth variation breech bolt Assembly is for the Glenfield model 60 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: Firearms with the following years of manufacture and serial numbers have been observed with this part:

1980: 20413309 & 20643810

1981: 19355124

1982: 18412956, 18417651 & 18418378