This Marlin manufactured second variation breech bolt assembly is for the Glenfield model 65 "Golden 50" semi-auto rimfire rifle with hold open feature and is in very good condition with light wear. This assembly consists of the second variation breech bolt, cartridge lifter roller, first or 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: 1972: 72328347