This Remington manufactured pistol grip walnut stock is for the model 550 semi-auto rimfire rifle in the A grade configuration which uses barrel mounted sights and not the receiver peep sight.  This stock assembly is in very good condition with light dings and handling marks. Sling swivel studs may have been added by a previous owner. This assembly consists of the stock, and the takedown screw escutcheon. (file photos)

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