Nitro Express
Nitro Express is a rifle cartridge or cartridge family.
Also recorded as NE.
In detail
Nitro Express is a rifle cartridge or cartridge family.
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
“Nitro Express”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3507446: Nitro Express
Consult the source