Mossberg Model 590A1 Blackwater edition, 12 ga. pump combat shotgun Serial# U942484. Excellent condition.  Military Spec variant. Matte finish is 95% with some light scratches.  Blackwater logo on receiver. 21” Heavy walled mil-spec barrel with a 3” magnum chamber and cyl-bore choke.  Adjustible ghost ring sight with a tall front ramp. Bayonet lug accept most M16 bayonets. Black synthetic stock is excellent.  Eotech tactical light forearm is excellent 9- shot magazine. This is a brutally reliable shotgun that will smile at the punishment that would destroy most other shotguns. Similar to the  U.S. Army issue shotgun now being used in country.