This Remington manufactured 10 1/2" long second variation recoil spring is for the Sportsman 48 semi-auto shotgun in 16 gauge with serial numbers between 3,509,501 and 3,527,400 and in 20 gauge with serial numbers between 3,806,301 and 3,821,800. This recoil spring is in very good condition with light wear. (file photo)

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

16 Gauge:

20 Gauge: 3813794