This Remington manufactured barrel lock pin 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: PH (June 1939), EH (October 1939), PJ (June 1940), EK (October 1941), LL (February 1942), CL (April 1942), OL (July 1942), ARR (March), ESS (Oct. 1947), DYY (September 1952), AC (March 1956), OM (July 1965) & BN (January 1966).