.450/400 Black Powder Express
The.450/400 Black Powder Express cartridges were black powder rifle cartridges introduced in the United Kingdom in the 1880s.
.450/400 Black Powder Express

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The.450/400 Black Powder Express cartridges were black powder rifle cartridges introduced in the United Kingdom in the 1880s.
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wikidata · Q25100076 · wikipedia · .450/400 Black Powder Express
In this article
Design
Design
The.450/400 Black Powder Express cartridges are bottlenecked centerfire black powder express rifle cartridges produced in two case lengths, 23⁄8 inches (60.3 mm) and 31⁄4 inches (83 mm). Both cartridges were later loaded as "Nitro for Black" cartridges, the same cartridges loaded with mild loadings of cordite carefully balanced through trial to replicate the ballistics of the black powder versions.
.450/400 23⁄8 inch Black Powder Express
.450/400 23⁄8 inch Black Powder Express
The.450/400 23⁄8 inch Black Powder Express was loaded with a bullets from 210 to 270 grains (14 to 17 g) driven by 79 to 84 grains (5.1 to 5.4 g) of black powder. The.450/400 23⁄8 inch Nitro for Black was loaded with a jacketed 270 grain round nose bullet driven by 38 grains (2.5 g) of cordite.
.450/400 31⁄4 inch Black Powder Express
.450/400 31⁄4 inch Black Powder Express
The.450/400 31⁄4 inch Black Powder Express was loaded with a bullets from 230 to 300 grains (15 to 19 g) driven by 110 grains (7.1 g) of black powder. The.450/400 31⁄4 inch Nitro for Black was loaded with bullets of 270 to 316 grains (17.5 to 20.5 g) driven by 45 to 48 grains (2.9 to 3.1 g) of cordite.
Nitro Express loadings
Nitro Express loadings
The.450/400 Black Powder Express cartridges served as the parent cases for the.450/400 Nitro Express cartridges, the same cartridge cases loaded with greater loads of cordite and heavier bullets to produce far more powerful rounds.
History
History
The.450/400 Black Powder Express in both cartridge lengths were developed in the 1880s by necking down the.450 Black Powder Express, the.450/400 23⁄8 inch Black Powder Express simply a shortened version. The.450/400 31⁄4 inch Black Powder Express was listed in the Kynoch catalogue of 1884 as the.450 reduced to. 400. Whilst obsolete,.450/400 31⁄4 inch Black Powder Express ammunition can still be purchased from ammunition manufacturers such as Kynoch.
Use
Use
The.450/400 Black Powder Express in both case lengths were considered good deerstalking cartridges and was usually chambered in a lightweight stalking rifle.
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reference work
- “.450/400 Black Powder Express”, English Wikipedia, consulted as further reading
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- Wikidata, structured authority record Q25100076:.450/400 Black Powder Express
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Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Frank C. Barnes, Cartridges of the World, ed 13, Gun Digest Books, Iola, 2012, .
- 2.Kynoch Ammunition, "Big Game Cartridges", kynochammunition.co.uk, archived 8 September 2016.
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Broader subject
1- rifle cartridgeTerminology
Established from a fact already recorded on a verified source.
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
Elsewhere in Militaria
6,095 published records in this field, each with its sources named.
- .450 MarlinTerminology
- .450 Nitro ExpressTerminology
- .450 No 2 Nitro ExpressTerminology
- .450 RigbyTerminology
- .450/400 Nitro ExpressTerminology
- .451 Detonics MagnumTerminology
- .454 CasullTerminology
- .455 WebleyTerminology
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