Stoeger M3020 Semi-Auto Shotgun -Stoeger's M3020 is a 3-inch, 20-gauge Inertia driven semi-automatic shotgun joins Stoeger's line of quality, affordable shotguns. Ideal for Waterfowl, Turkey and Upland game Handles a full range of loads, from 2-3/4 inch to 3-inch magnum Barrels are fitted with a ventilated, stepped rib and fiber-optic front sight for quick target acquisition Intertia Driven system Red--bar front sight