This Marlin manufactured ejector / lifter spring is for the later Glenfield model 60 semi-auto rimfire rifle which uses the feed throat with a notch for the ejector spring to rest on and is in very good condition with light wear.  (file photo)

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

1975: 25311069, 25404905 & 25503444

1976: 24500654

1977: 23441980 & 23512316

1978: 22436687 & 22522769

1979: 21459280

1980: 20360112, 20385176, 20413309 & 20643810

1981: 19355124

1982: 18310645, 18401999, 18412956, 18417651 & 18418378