Mossberg 590, Tactical, Pump Action, 12 Gauge, 3 Chamber, 18.5 Cylinder Barrel, Blue Finish, 6 Position Flex Tactical Stock with Corn Cob Forend, Right Hand, 6Rd, Bead Sight 50691 Since 1919, Mossberg has been the leader in introducing important design breakthroughs to the firearm industry. Many product features pioneered by Mossberg are now the standards by which all modern firearms are judged. It is this basis of unquestionable quality that drives Mossberg to bring reliable, well-built shooting systems to you at an affordable price.