James Purdey & Sons Premier double rifle in .470 Nitro Express with 26-inch barrels. The most prestigious name in British gunmaking applied to the premier stopping caliber for African dangerous game. Type: Rifle Action: Double Rifle Caliber: .470 Nitro Express Capacity: 2 Year introduced: 1891, UK Weight: 11.5 oz Overall length: 43" Status: Active Intended use: Dangerous Game, Safari