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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.
W.J. Jeffery & Co further improved the cartridge by reducing the length of the case to 3-inches and moving the neck further forward, creating the .450/400 3-inch NE. Additionally, the caliber had to be standardised, slight variations existed in both the rifles and the low-pressure black powder cartridges produced by different manufacturers, the ...
The .416 Rigby / 10.57x73mm is a rifle cartridge designed in 1911 by London based gunmaker John Rigby & Company, for hunting dangerous game. [2] It is the first cartridge to use a bullet of .416 inch (10.57 mm) diameter.
A new Czech plant was set up around 1947 to 1953 CE with assistance from the Považské Strojárne factory and was named after the contemporary ruler, Emperor Haile Selassie I. It made 7.92mm Mauser, .30-06 Springfield , and 7.62mm NATO ammunition for the military and .303 British rifle ammunition for the civilian market.
In 1898, John Rigby & Company loaded the .450 Black Powder Express with smokeless cordite creating the .450 Nitro Express, the first Nitro Express cartridge, [8] this was to have a profound impact on sporting cartridge development and the double rifle was to become synonymous with the Nitro Express cartridges. [3]