QJZ-171
QJZ-171 is a heavy machine gun or firearm model.
In detail
QJZ-171 is a heavy machine gun or firearm model.
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
“QJZ-171”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q106497704: QJZ-171
Consult the source