The F12 from Typhoon Defense is a 12 Gauge, semi-automatic shotgun with an 18.5" barrel. The upper & lower receivers are crafted from 7075 T6 hardened aluminum, and the barrel is constructed of perforated 4140 full steel. All F12 shotguns come with three 5-round magazines.  This F12 Sport is beautifully finished with our USA Flag!