.577/500 Nitro Express
|.577/500 Nitro Express|
|Place of origin||United Kingdom|
|Case type||Rimmed, bottleneck|
|Bullet diameter||.508 in (12.9 mm)|
|Neck diameter||.526 in (13.4 mm)|
|Shoulder diameter||.585 in (14.9 mm)|
|Base diameter||.645 in (16.4 mm)|
|Rim diameter||.717 in (18.2 mm)|
|Rim thickness||.055 in (1.4 mm)|
|Case length||3.13 in (80 mm)|
|Overall length||3.74 in (95 mm)|
|Primer type||.251 (6.38 mm) Berdan (Kynoch #31A)|
|Source(s): "Cartridges of the World" |
The .577/500 NE was developed by loading a 3⅛-inch variant of the .577/500 Black Powder Express with smokeless cordite. The latter was developed by necking down the .577 Black Powder Express to .508".
Despite being a similar size, the .577/500 NE is not nearly as powerful as the .500 Nitro Express and is not suitable for such thick-skinned game as elephant. Like the .500 Black Powder Express, the .577/500 NE was never highly regarded for hunting in Africa, yet it was popular in India.
Moderately popular in its day, the round has long since ceased to be offered commercially.
- Barnes, Frank C, Cartridges of the World, ed 13, Gun Digest Books, Iola, 2012, ISBN 9781440230592.
- Wieland, Terry, Nitro Express: The Big Bang of the Big Bang, retrieved 20 Jun 16.
- cartridgecollector.net, 577/500 3 ⅛" Nitro Express, retrieved 20 Jun 16.
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