Question: The Smith and Wesson Model 22 series is a refined commercial version of a U.S. six-shot revolver of .45 ACP caliber adopted by the U.S. Army in 1917 durring what war?
Sentence (from "Smith &amp; Wesson Model 22"): The Smith & Wesson Model 22 series of revolvers is a refined, commercial version of the M1917 revolver issued during World War I.
Relevant evidence: Yes