BB gun
BB gun is an air gun or weapon family.
Also recorded as BB.
Overview
Type of air gun, typically with a 4.5 mm smoothbore barrel, for use with spherical bullets.
In detail
BB gun is an air gun or weapon family.
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
“BB gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3273295: BB gun
Consult the source