riot gun
riot gun is a weapon or weapon type.
Also recorded as less-lethal launcher; anti riot gun.
Overview
Type of firearm that is used to fire "non-lethal" or "less-lethal" ammunition for the purpose of suppressing riots.
In detail
riot gun is a weapon or weapon type.
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
“Riot gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2862119: riot gun
Consult the source