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This was the first magazine rifle that could perform on a par with the powerful Nitro-Express double rifles, for one-third to one-fifth of their prices. John Rigby was well versed in Nitro Express cartridges as well. In 1898, with the help of the Curtis's & Harvey Gunpowder Company, he had introduced the first of them: the Rigby .450 NE.
The .500/450 Nitro Express is a rimmed bottlenecked cartridge designed for use in single-shot and double rifles. It is based on the old black-powder .500/450 Magnum Black Powder Express . It fires a .458-inch (11.6 mm) 480-grain (31 g) projectile at over 2,175 feet per second (663 m/s).
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.
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rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the .458 Winchester Magnum .
The .308 x 1.5" case is available from a number of case manufacturers and differs from a homemade .308 x 1.5" in that it has a small primer pocket, whereas the original .308 Winchester case has a larger primer pocket (the smaller primer is more suited to the smaller case capacity of the short round).
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 .600 Nitro Express is a slightly tapered walled, rimmed, centerfire rifle cartridge designed for use in single-shot and double rifles. [4]The cartridge fires a .620 in (15.7 mm) diameter, 900 gr (58 g) projectile with three powder loadings: the standard being 100 gr (6.5 g) of cordite at a muzzle velocity of 1,850 ft/s (560 m/s); a 110 gr (7.1 g) loading which generates a muzzle velocity ...