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

Note: Remington model 12 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