This Remington manufactured color case hardened trigger assembly is for the model 511-X Scoremaster bolt action rimfire rifle and is in very good condition with light wear. The trigger assembly consists of the trigger, sear, sear stud, trigger spring, and the trigger spring plunger. (file photo)

NOTE: Remington model 511-X rimfire rifles with the following year/serial numbers have been observed with this part: NSN: (DL) September 1964