The Fabarm STF 12 is a gas-operated semi-automatic tactical shotgun with a telescoping AR-style stock, Picatinny rail, pistol grip, and 18-inch barrel designed for law enforcement and home defense. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2015, Italy Weight: 64 oz Overall length: 32.5" Status: production Intended use: law-enforcement,home-defense,tactical