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The .450 Rigby is a rifle cartridge designed in 1994 by John Rigby & Co. for the purpose of hunting large, thick-skinned dangerous African game animals. The cartridge is essentially a .416 Rigby necked up to accept a .458 in (11.6 mm) bullet, although with a higher operating pressure and much of the original taper removed.
.450 Nitro Express also known as the .450 Nitro Express 3 1 ⁄ 4-inch is a rifle cartridge designed for hunting dangerous game such as elephant, rhino, cape buffalo, lion, and leopard. This cartridge is used almost exclusively in double rifles for hunting in the tropics or hot climates in general and is associated with the Golden Age of ...
After the founding John Rigby's death, in 1818, his sons William and John Jason Rigby operated the business as W. & J. Rigby from c. 1820 to 1865, a period that spanned flintlock, percussion, pinfire and needlefire ignition and marked the start of the modern metallic cartridge era. Rigby was a leader in barrel-making and rifling technology and ...
Whilst Eley developed the completely new, mammoth .450 No 2 Nitro Express, Holland & Holland followed Rigby's example and loaded the old black powder.500/450 Magnum Black Powder Express with cordite, creating the .500/450 Nitro Express. The larger case capacity allowed the same ballistics at reduced chamber pressures to the .450 Nitro Express.
The .450 No 2 Nitro Express is suitable for all dangerous game including elephant. In his African Rifles and Cartridges, John "Pondoro" Taylor states the .450 No 2 Nitro Express is as good as but no better than any other .450-.476 calibre Nitro Express cartridges in terms of killing power. Taylor further states there is a psychological appeal ...
The energy generated by the cartridge was on par with that of .450 Nitro Express which, until the ban on the 11.6 mm (0.458 in) caliber in India and the Sudan in the early 1900s, had been the standard of measure for dangerous game rifles. The .416 Rigby would go on to become one of the most successful dangerous game cartridges designed for a ...
The unveiling of the .450 Nitro Express by John Rigby & Company in 1898 heralded the beginning of the modern big-game cartridge. Created from loading the already popular .450 Black Powder Express with cordite, the .450 NE was a fast and accurate cartridge capable of taking all African and Indian dangerous game.
The W.J. Jeffery & Co developed the .400 Jeffery NE from the .450/400 3-1 ⁄ 4-inch Nitro Express, following extraction problems with the latter cartridge.. The .450/400 3-1 ⁄ 4-inch NE was recreated by loading the old .450/400 3-1 ⁄ 4-inch Black Powder Express with cordite, transforming a low-velocity deerstalking cartridge into a genuine big-game hunting round capable of tackling even ...