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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 ...
The case itself is a completely new case, not simply another case resized. Double rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the .458 Winchester Magnum .
This straight case has a length of 3.25 in (83 mm) with a .624 in (15.8 mm) rim. [1] Early cartridges used the black powder case that was designed for around 22,000 psi and not the 34,000 psi that the Cordite load generated. Case extraction was difficult, especially in warmer climates such as Africa and India where the cartridge was primarily used.
The double rifle, also known as a double-barreled rifle, is a rifle with two barrels mounted parallel to each other that can be fired simultaneously or sequentially in quick succession. Synonymous with big game hunting found primarily in Africa and Asia , the double rifle is a sporting weapon with very little military heritage.
The .458 Winchester Magnum was designed for hunting dangerous game animals by emulating the performance of powerful English double rifle cartridges in a bolt-action rifle. The use of a bolt-action rifle offered hunters a cheaper alternative to the big-bore double rifle, and ammunition could be manufactured using available tooling.
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In his African Rifles and Cartridges, John "Pondoro" Taylor stated the .475 No 2 Nitro Express is "an eminently satisfactory shell and a certain killer - but don't let yourself be hypnotised by that great fat gleaming shell into the belief that you have something comparable with the atomic bomb to play with!"
The .360 No. 2 Nitro Express is a rimmed, bottlenecked cartridge designed for use in single shot and double rifles. [1]The .360 No. 2 Nitro Express fires a .367 in (9.3 mm) calibre, 320 gr (21 g) bullet at a velocity of 2,150 ft/s (660 m/s).