This Remington manufactured butt plate screw is for the model 12 slide action rimfire rifle and is in very good condition exhibiting a brown 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: 229853

12-A: 3867, 100823, 374065, 741138 & 802984

12-C: 409187, 500140, 597770, 600364, 607712, 640490 & 663586