This Remington manufactured 24" long (plus or minus) magazine spring is for the model 11-48 semi-auto shotgun in 12 gauge and is in very good condition with light wear. (file photo)
Note: Remington model 11-48 semi-auto shotguns with the following gauges and serial numbers have been observed with this part:
12 Gauge: 5071108, 5075577 & 5112147