Assumes a rimfire and a shotgun are allowed without penalty. These are choices for use in hunting, not target, tactical, self defense, or whatever.
North America, .22 WMR, .223/5.56, .30-06, .338 Win Mag, 20 Gauge,
World wide, .22 LR, .223/5.56, .30-06, ,375 H & H, 12 Gauge,