This Remington manufactured carrier assembly is for the model 550 semi-auto rimfire rifle and is in very good condition with light wear. This assembly consists of the carrier, carrier spacer bushing, carrier tension spring, and cartridge stop. (file photo)

NOTE: Remington model 550 rimfire rifles with the following year/serial numbers have been observed with this part: NSN: (OL) July 1942 & (WL) August 1942