Beretta A400 Xtreme Plus, Semi-automatic Shotgun, 12 Gauge, 3.5 Chamber, 28 Barrel, Mossy Oak Original Shadowgrass, Synthetic Stock, Fiber Optic Front Sight, 5 Choke Tubes, 2 Rounds J42XW18 The A400 Xtreme Plus Semi-Auto shotgun features Beretta's exclusive Steelium Plus barrels, a first for hunting shotguns providing the best patterning possible from all hunting loads, along with further felt recoil mitigation.