light gas gun
light gas gun is a projectile weapon or weapon type.
Also recorded as light-gas gun.
Overview
Highly specialized gun designed to generate very high velocities.
In detail
light gas gun is a projectile 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
“Light-gas gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q658123: light gas gun
Consult the source