Stechkin
Stechkin is a machine pistol or firearm model.
Also recorded as Avtomaticheskiy Pistolet Stechkina; APS.
Overview
Submachine gun and machine pistol.
In detail
It is associated with Soviet Union. The record gives 1948 as its date of establishment or first appearance.
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
“Stechkin automatic pistol”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1140518: Stechkin
Consult the source