RGM-40
RGM-40 is a grenade launcher or weapon model.
Overview
Type of grenade launcher.
In detail
It is associated with Russia.
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
“RGM-40 Kastet”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4386485: RGM-40
Consult the source