.22 Long
.22 Long is a rifle cartridge or rimfire cartridge.
Overview
Rimfire ammunition.
In detail
.22 Long is a rifle cartridge or rimfire cartridge.
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
“.22 long”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1056993: .22 Long
Consult the source