This Remington manufactured late variation 28" plain barrel with a factory modified choke is for the model 11-48 semi-auto shotgun in 12 gauge with a serial number above 5,026,000. This barrel is in very good condition retaining the majority of its thinning original blue finish which is blending with a brown patina and having some scattered specks of surface rust. (file photos)

Note: Remington model 11-48 semi-auto shotguns with the following gauge and serial numbers have been observed with this part:

12 Gauge: 5071108 & 5102735