This Remington manufactured 10 1/2" long second variation recoil spring is for the model 11-48 semi-auto shotgun in 16 gauge with serial numbers between 5,509,001 and 5,521,400 and in 20 gauge with serial numbers between 5,804,701 and 5,816,700. This recoil spring is in very good condition with light wear. (file photo)
