This Marlin manufactured second variation rear sight with a .080" to .095" wide elevation channel is for the later Glenfield model 60 semi-auto rimfire rifle 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:

1973: 27106155 & 27274660

1974: 26360250

1975: 25283450, 25311069,  25404905

1976: 24498679, 24500654 & 24528522

1977: 23441980, 23485890 & 23512316

1978: 22436687

1979: 21418578 & 21459280

1980: 20360112, 20385176, 20413309 & 20643810

1982: 8310645, 18412956 & 18417651