This Remington manufactured color case hardened trigger sub-assembly is for the model 512 Sportmaster bolt action rimfire rifle and is in very good condition with light wear. The trigger sub-assembly consists of the trigger, sear, and sear stud. (file photo)

Note: Remington model 512 Sportmaster bolt action rimfire rifles with the following date codes have been observed with this part: (KK) May 1941, (APP) March 1945, (CSS) April 1947, (DSS) September 1947, (BTT) January 1948, (ATT) March 1948, (PZZ) June 1953, (RB) November 1955, (PC) June 1956 & (EF) October 1959