This Remington manufactured rear sight base screw is for the early (circa 1975 or earlier) variation rear sight base #16454 or the rear sight assembly #28200 on the model 552 BDL grade Speedmaster semi-auto rimfire rifle and is in near excellent condition with light wear. (file photo)
Note: Remington model 552 rimfire rifles with the following year/serial number have been observed with this part: 1656074
