This Winchester manufactured magazine band bushing is for the model 12 slide action shotgun in 12 gauge with a 2 3/4" chamber. This part is in very good condition with light wear. (file photo)
Note: Winchester model 12 slide action shotguns with the following gauges and serial numbers have been observed with this part:
12 Gauge: 588236, 933942, 1129908 & 1734902
