This Remington manufactured action spring tube nut is for the model 11-48 semi-auto shotgun and is in very good condition exhibiting a grayish brown patina. (file photo)
Note: Remington model 11-48 semi-auto shotguns with the following gauges and serial numbers have been observed with this part:
12 Gauge: 5071108, 5075577 & 5112147
16 Gauge: 5522646, 5529558, 5550951 & 5564860
20 Gauge:
