This Remington manufactured action bar plunger was on the early series 1909 model 12 slide action rimfire rifles and is in very good condition with light wear. (file photo)

Note: Remington model 12 takedown slide action rimfire rifles with the following serial numbers have been observed with this part: 644685

12-A: 3867, 30310, 100823 & 374065

12-C: 229853, 303506, 409187, 500140, 600364, 607712 & 640490

12-CS: 225240