This Marlin manufactured receiver sight dummy (plug) screw is for the Golden (39-A and 39A) Mountie lever action rimfire rifle and is mounted on the upper left side of the receiver where a peep sight has the option to mount. This straight slot screw is in very good condition with light slot wear. (file photo)

Note: Marlin Golden (39-A and 39A) Mountie lever action carbines with the following serial numbers have been observed with this part:

Marked Golden 39-A Mountie: (1958) R16162

Marked Golden 39A Mountie: (1966) AB10631