This Remington manufactured third variation breech bolt without feet and lacking the carrier cut is for the Sportsman 48 semi-auto shotgun in 12 gauge and 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:
12 Gauge: 3101815, 3106473, 3111917 & 3126827