This Marlin manufactured rear sight assembly with the .079" thick elevator 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:
1991: 09312586
1994: 06119350, 06150626 & 06270593
2002: 98462213 & 98475458.