The William Evans Double Rifle in 577 Nitro Express is among the most powerful and most extraordinary pieces William Evans ever produced. Chambered for the heaviest practical double-rifle cartridge, the Evans 577 NE was an unusual commission that the Pall Mall shop accepted for the most demanding colonial hunters. These guns weigh approximately 16 pounds and are regulated for 750-grain bullets. Type: Rifle Action: Double / SxS Caliber: 577 Nitro Express Capacity: 2 Year introduced: 1900, United Kingdom Weight: 240 oz Overall length: 44.5" Status: Active Intended use: Dangerous Game