This factory manufactured third variation feed throat with three raised circular studs (two on the left side and one on the right side)is for the Western Auto Supply Co. / Revelation model 120 semi-auto rimfire rifle which uses the ejector/lifter spring and is in very good condition with light wear. (file photo)

Note: Firearms with the following years of manufacture and serial numbers have been observed with this part:

1974: 26269424