This Remington manufactured machined screw is for the early two hole magazine lock which mounts onto the underside of the early rear receiver insert on early model 511 Scoremaster bolt action rimfire rifles and is in near excellent condition with light wear. (file photo)

Note: Firearms with the following date codes have been observed with this part: AH (March 1939), KH (May 1939), (PH) June 1939, LK (February 1941), CK (April 1941), EK (October 1941), RK (November 1941)