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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rifles are extremely expensive, starting at about US$10,000 and selling up to US$260,000 in 2015, and have generally been replaced by repeater-rifles using rounds such as the .458 Winchester Magnum .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 .275 No 2 Magnum is a rimmed cartridge intended for use in double rifles.Rigby introduced the .275 No 2 Magnum by necking down the .375 Flanged Nitro Express, [2] it was still available in the early 1960s. [1]
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 .500 Nitro Express / 13x76mmR is a rifle cartridge designed for hunting large and dangerous game animals in Africa and India. [1] This cartridge was primarily designed for use in double rifles though various single shots were produced on the Farquarson action and at least one major company (Heym) produced it in bolt-action configuration.
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!"
Due to the heavy bullet and powder charge, the gun has significant recoil but this is mitigated by the low velocity, resulting in recoil being delivered as a strong push rather than a violent blow. Rifles chambered for this cartridge tend to be heavy double-gun style, and are typically quite expensive. [3] Dimensions of the .470 Nitro Express.
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 .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).