Manufacturer: Mossberg Model: 183K Serial Number: NSN Barrel Length: 24 Gauge Info: 410 Guage. This bolt action shotgun made in the gun famous New Haven Connecticut, is in good overall condition with moderate wear. Mossberg 500a Serial Number Location Favorite Answer Mossberg did not put serial numbers on any gun until after the Gun Control Act of 1968. Invaluable is the world's largest marketplace for art, antiques, and collectibles. Serial Number: NSN: Caliber.410 GA: High Estimate: $300: Low Estimate: $100: O.F.
