This Remington manufactured forend screw locking screw is for the later model 12 slide action rimfire rifle which has the forend screw with the scalloped locking screw cuts. This small screw is in very good condition exhibiting a brownish gray patina with light slot wear. (file photo)

Note: Remington model 12 takedown slide action rimfire rifles with the following serial numbers have been observed with this part: 478026

12-A: 741138, 802984 & 806842

12-C: 500140, 600364, 607712, 640490, 663586, 789956 & 830348