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Rifle cartridge From Wikipedia, the free encyclopedia
The .577/500 3+1⁄8-inch Nitro Express is a British centerfire fire rifle cartridge.
![]() | The topic of this article may not meet Wikipedia's notability guidelines for products and services. (February 2023) |
.577/500 Nitro Express | ||||||||
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Type | Rifle | |||||||
Place of origin | United Kingdom | |||||||
Specifications | ||||||||
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) | |||||||
Rifling twist | 1:16 | |||||||
Primer type | .251 (6.38 mm) Berdan (Kynoch #31A) | |||||||
Ballistic performance | ||||||||
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Source(s): "Cartridges of the World" [1] |
The .577/500 NE was developed by loading a 3+1⁄8-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".[2]
Whilst very similar to the .577/500 No 2 Black Powder Express the two are not interchangeable.[1]
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.[1]
Moderately popular in its day, the round has long since ceased to be offered commercially.
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