This Marlin manufactured barrel retaining pin is for the Glenfield model 25 bolt action rimfire rifle and is in very good condition with light wear. This pin measures approx. .125" in diameter and is .627" long.  (file photo)

Note: Marlin Glenfield model 25 rimfire rifles with the following year/serial number have been observed with this part:

1973: 27521832

1974: 26630260

1976: 24633438, 24655014

1977: 23687531