203116666 Notes: Dickinson Arms Model XX3B-2 Commando pump-action shotgun, imported by Dickinson LLC, chambered in 12 gauge with a 3-inch chamber, featuring a black matte finish and an 18-inch barrel. Case is not included. Details: Manufacturer: Dickinson Arms Model: XX3B-2 Commando Importer: Dickinson LLC Serial Number: 203116666 Type: Pump-action shotgun Gauge: 12 gauge Chamber: 3 inches Finish: Black, matte Barrel Length: 18 inches Weight: Approximately 6 lbs. Case: Not included Published specifications for the Dickinson XX3B Commando list an approximate weight of 6 lbs. for the 18.5-inch 12-gauge configuration; actual weight may vary slightly by configuration.