Smith & Wesson Sigma
Smith & Wesson Sigma is a semi-automatic pistol or weapon model.
Also recorded as S&W SIGMA.
In detail
It is associated with United States.
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
“Smith & Wesson SW”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q837872: Smith & Wesson Sigma
Consult the source