Semi-automatic shotguns or semi auto shotguns use the energy from the recoil of firing the weapon to reload the next shot. Semi-automatic shotguns are popular among hunters, sport shooters, and for home defense as they offer a tactical advantage of follow up shots for birds or clays. Fin Feather Fur offers a wide selection of semi auto shotguns for sale online with free shipping on select shotguns. Our most popular semi auto shotguns shoot 12 gauge shotgun ammo, with popular brands like Benelli and Mossberg.