The 577 Nitro Express fires a 750-grain bullet at approximately 2050 fps, generating over 7000 ft-lbs of muzzle energy. The Holland & Holland Royal in 577 NE is a purpose-built elephant gun designed for situations where nothing less than immediate incapacitation is acceptable. These rifles are rarely ordered and each represents a significant commission; the recoil is substantial and shooter conditioning is required. Holland & Holland produces them on special order only. 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