This Remington manufactured blue finished operating handle without the notch in the rear but having the detent recess and shallow grooves in the handle is for the Sportsman 48 semi-auto shotgun and is in very good condition with light wear. (file photos)

Note: Remington Sportsman 48 semi-auto shotguns with the following gauge and serial numbers have been observed with this part:

12 Gauge: 3013783, 3106473, 3111917 & 3126827

16 Gauge:

20 Gauge: 3804965 & 3813794