The A400 Xtreme Plus is Beretta's most extreme-condition waterfowl semi-automatic, chambered for 3.5-inch shells and featuring a Kick-Off hydraulic recoil reducer in the stock. The Blink gas system cycles in 36 milliseconds — the fastest semi-automatic shotgun action in production. Steelium barrel with optimachoke HP chokes. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 2015, Italy Weight: 208 oz Overall length: 49" Status: Active Intended use: Waterfowl, Duck Hunting, Goose Hunting