The Weatherby SA-459 Tactical is a gas-operated semi-automatic shotgun with a pistol grip stock, ghost ring sights, and an 18.5-inch barrel for law enforcement and defensive applications. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2012, USA Weight: 82 oz Overall length: 39" Status: Active Intended use: Law Enforcement, Tactical, Home Defense