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.475 Nitro Express

Rifle cartridge

Field	Value
name	.475 Nitro Express
origin	Britain
type	Rifle
case_type	rimmed straight
bullet	.483
neck	.507
base	.545
rim_dia	.625
rim_thick	.045
case_length	3.25
length	3.98
primer	Boxer
bw1	480
vel1	2175
en1	5040
bw2	500
vel2	2125
en2	5030
balsrc	Barnes.

The .475 Nitro Express is a British rifle cartridge developed in the early 20th century.

Design

The .475 Nitro Express is a slightly tapered, non-bottlenecked rimmed cartridge very similar in appearance to the .450 Nitro Express, that is designed for use in single-shot and double rifles.

Original loadings fired a 480 gr projectile at a listed speed of 2175 ft/s, these loadings are still available, additionally Westley Richards have a 500 gr loading with a listed speed of 2125 ft/s.

History

It is believed the .475 Nitro Express was introduced around 1900, well before the British Army 1907 ban of .450 caliber ammunition into India and the Sudan which saw the development of the ballistically very similar .500/465 Nitro Express, .470 Nitro Express, .475 No 2 Nitro Express, and .476 Nitro Express.

Firearms historians remain unclear who developed the .475 Nitro Express, it is likely that a combination of companies going out of business and merging, along with records being lost or destroyed during the London blitz will mean the origins of this cartridge will never be known.

The .475 Nitro Express has never enjoyed the success of any of the cartridges listed above, largely because it was never adopted by any of the major rifle manufacturers. Due to this, rifles in this calibre have always been rare, generally from lesser known makers such as W.W. Greener, Army & Navy and Manton of Calcutta.

Use

The .475 Nitro Express is considered a good large-bore round, suitable for all big game, its power is very similar to the .470 Nitro Express. Ballistically it is almost identical to the .450 Nitro Express, with a larger diameter bullet; whether this is an advantage remains in dispute.

References

Footnotes

Bibliography

Barnes, Frank C, Cartridges of the World, ed 13, Gun Digest Books, Iola, 2012, .
Kynoch Ammunition, "Big Game Cartridges", www.kynochammunition.co.uk, archived, 18 January 2017.
Wieland, Terry, "Nitro Express: The Big Bang of the Big Bang", ezine.nitroexpress.info/NickuduFiles/, retrieved 31 December 2014.
Wieland, Terry, "The .475 Nitro Express: A mysterious and under-rated orphan", ezine.nitroexpress.info/NickuduFiles/, retrieved 22 November 2016.

References

Barnes.
Wieland, ".475 Nitro Express".
Wieland, "Nitro Express".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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