.476 Nitro Express
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| .476 Nitro Express | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||
| Place of origin | United Kingdom | |||||||
| Production history | ||||||||
| Designer | Westley Richards | |||||||
| Designed | 1907 | |||||||
| Produced | 1907 | |||||||
| Specifications | ||||||||
| Parent case | .500 Nitro Express 3" | |||||||
| Case type | Rimmed, bottleneck | |||||||
| Bullet diameter | .476 in (12.1 mm) | |||||||
| Neck diameter | .508 in (12.9 mm) | |||||||
| Shoulder diameter | .530 in (13.5 mm) | |||||||
| Base diameter | .570 in (14.5 mm) | |||||||
| Rim diameter | .643 in (16.3 mm) | |||||||
| Case length | 3.00 in (76 mm) | |||||||
| Overall length | 3.77 in (96 mm) | |||||||
| Primer type | Berdan 0.254 inch | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Test barrel length: 28 inches Source(s): Barnes & Amber | ||||||||
The .476 Nitro Express, also known as the .476 Westley Richards,[1] is a British rifle cartridge introduced by Westley Richards around 1907.
Development
The .476 Nitro Express is one of several rounds (including the
Westley Richards created the .476 Nitro Express by necking down the .500 Nitro Express 3".[3]
Use
Available in single-shot and double rifles, it was less popular than the above-mentioned rounds. It is nearly identical in performance to a number of others in the same class.
The .476 is considered adequate for all African and Indian big game,[2] including elephant and rhinoceros. Its ballistics resemble the .458 Winchester Magnum, with a larger diameter bullet; whether this is an advantage remains in dispute.[2]
Commercial rifles are no longer available in .476 Nitro Express except by special order, ammunition is no longer commercially available, and handloading data are scant, the factory load used 75 gr (4.86 g) of cordite under a 520 gr (33.7 g) slug.[2]
See also
References
Footnotes
- ^ "Kynoch Ammunition, .476 Westley Richards". Archived from the original on 2014-11-11. Retrieved 2014-11-11.
- ^ a b c d Barnes & Amber, p 229.
- ^ Wieland.
Bibliography
- Barnes, Frank C. & Amber, John T., Cartridges of the World, DBI Books, Northfield, 1972, ISBN 0-695-80326-3.
- Kynoch Ammunition, Big Game Cartridges, kynochammunition.co.uk.( Archived 2013-07-03 at the Wayback Machine 2015-01-01), retrieved 30 Dec 14.
- Wieland, Terry, Nitro Express: The Big Bang of the Big Bang( Archived 2014-12-24 at the Wayback Machine 2015-01-01), retrieved 30 Dec 14.
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