similar shotguns

How Long Is A 12 Gauge Shotgun? Today’s 12-gauge shells come in 21⁄2-, 23⁄4-, 3- and 31⁄2-inch lengths (and they all hold different amounts of powder and shot charges). How long is a shotgun? A shotgun barrel must be at least 18 inches in length as outlined in the NFA. Any shorter (seriously – any