This Remington manufactured safety screw is for the model 510 Targetmaster bolt action rimfire rifle and is in very good condition with light wear. (file photo)

Note: Remington model 510 Targetmaster rifles with the following date codes (month and year of manufacture) have been observed with this part: EH (October 1939), LJ (February 1940), PJ (June 1940), EK (October 1941), CL (April 1942), OL (July 1942) ARR (March 1946), & ESS (Oct. 1947), DTT (September 1948), DYY (September 1952), OM (July 1965) & BN (January 1966).