ThisStoeger M3020 3-inch, 20-gauge Inertia Driven® semi-automatic shotgun joins Stoeger’s line of quality, affordable shotguns. It's ideal for waterfowl, turkey, and upland game. It handles a full range of loads from 2-3/4 inch to 3-inch magnum. The M3020's barrels are fitted with a ventilated, stepped rib and fiber-optic front sight for quick target acquisition.