Heym Express in .416 Rigby with a 23.6-inch barrel. The large Rigby case requires the full-length magnum action for which the Heym Express was specifically designed. Type: Rifle Action: Bolt-Action Caliber: .416 Rigby Capacity: 4 Year introduced: 1980, Germany Weight: 116 oz Overall length: 44.5" Status: Active Intended use: African Dangerous Game, Safari