This Winchester manufactured checkered pistol grip walnut butt stock with pistol grip cap, factory recoil pad, and white line spacer is for the Field grade Super X Model 1 semi-auto shotgun and is in very good condition with light dings, handling marks and a short drying crack on the lower right side ahead of the recoil pad.  (file photos)

Note: Winchester Super X Model 1 shotguns with the following serial numbers have been observed with this part: M30306