This Marlin manufactured rear takedown screw is for the 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:
1984: 16359195 & 16426541
1986: 14431919
1988: 12335470 & 12444501
1989: 11174735