This Winchester manufactured late variation barrel chamber ring is for the model 12 slide action shotgun and is in very good condition with light wear. Late variation chamber rings are designed to mount using only one mounting screw. (file photo)
Note: Winchester model 12 slide action shotguns with the following gauges and serial numbers have been observed with this part:
12 Gauge: 1385282, 1734902, 1870723 & 1907555
