This Marlin manufactured second variation front sight is for the Glenfield model 25 bolt action rimfire rifle manufactured after June of 1975 and equipped with a dovetail slot. This sight is in very good condition with honest wear. (file photo)
Note: Marlin Glenfield model 25 rimfire rifles with the following year/serial number have been observed with this part:
1976: 24633438, 24655014
1977: 23687531