This factory manufactured third variation breech bolt Assembly is for the later Western Auto Supply Co. / Revelation model 120 semi-auto rimfire rifle and is in very good condition with light wear. This assembly consists of the third 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: 1974: 26269424.