.450/400 Nitro Express

.450/400 Nitro Express is a rifle cartridge or ammunition model.

In detail

.450/400 Nitro Express is a rifle cartridge or ammunition model.

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“.450/400 Nitro Express”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4545354: .450/400 Nitro Express
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