This Savage manufactured filler screw is for the single large threaded hole on the top rear portion of the barrel as well as the forward larger threaded hole on the top of the model 19 NRA bolt action rimfire rifle receiver that is visible when the receiver peep sight is NOT installed. This filler screw is in very good condition with light wear. (file photo)

Note: Firearms with the following serial numbers have been observed with this part: 26914, 33132 & 42579.