This Remington manufactured hammer bushing is for the model 12 slide action rimfire rifle and is in very good condition with light wear.  (file photo)

Note: Remington model 12 slide action rimfire rifles with the following serial numbers have been observed with this part: 351695 & 374345

12-A: 3867, 100823, 374065 & 802984

12-C: 229853, 303506, 408616, 409187, 600364, 640490, 722004 & 789956

12-CS: 225240