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The .450 No 2 Nitro Express has a massive 3.5-inch (89 mm) long cartridge case which has a large case capacity and compared to other similar Nitro Express cartridges has a thicker rim and heavier walls. The size of the cartridge case gives it some of the lowest chamber pressures amongst the Nitro Express cartridges which, when combined with its ...
Ballistically the .500/450 Nitro Express is almost identical to the .450 Nitro Express and is considered a good large-bore round, suitable for all dangerous game. One prominent user of the .500/450 Nitro Express was Theodore Roosevelt who carried a Holland & Holland double rifle in this calibre, along with a .405 Winchester and a .30-03 during ...
.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 ...
In 19th century Britain there were a large number of straight .450 cartridges developed of varying case lengths up to the 3 1 ⁄ 4-inch version. The .450 3 1 ⁄ 4 -inch Black Powder Express was originally developed by Alexander Henry [ 4 ] as an experimental military cartridge for the 1869 British Army rifle trials that led to adoption of the ...
The .450 Bushmaster is descended from the Thumper concept popularized by the gun writer Jeff Cooper.Cooper was dissatisfied with the small-diameter 5.56×45mm NATO (.223 Remington) of the AR-15, and envisioned a need for a large bore (.44 cal or greater) cartridge in a semi-automatic rifle to provide one-shot kills on big-game animals at 250 yards.
The .500/450 No. 1 Nitro for Black was the same cartridge loaded with mild loadings of cordite, carefully balanced to replicate the ballistics of the black powder version. Unlike other similar black powder cartridges, such as the .450 Black Powder Express and .500/450 Magnum Black Powder Express , the .500/450 No. 1 Express never became a Nitro ...
The .450/400 Black Powder Express in both cartridge lengths were developed in the 1880s by necking down the .450 Black Powder Express, the .450/400 2 3 ⁄ 8 inch Black Powder Express simply a shortened version. The .450/400 3 1 ⁄ 4 inch Black Powder Express was listed in the Kynoch catalogue of 1884 as the .450 reduced to . 400. [1]
The .450/400 2 3 ⁄ 8 inch Nitro Express was loaded with a 400 gr. RN bullet with 42 or 43 grains of cordite and was meant for use in newer rifles chambered for the .450/400 2 3 ⁄ 8 inch case as this loading generates greater pressure than the Black Powder Express versions of the cartridge.