.284 Winchester
.284 Winchester is a rifle cartridge or ammunition model.
In detail
It is associated with United States. The record gives 1963 as its date of establishment or first appearance.
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
“.284 Winchester”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4545235: .284 Winchester
Consult the source