Question: In what year did Iver Johnson begin selling the standard-issue sidearm for the United States Armed Forces from 1911 to 1986?
Sentence (from "M1911 pistol"): The pistol's formal designation as of 1940 was Automatic Pistol, Caliber .45, M1911 for the original model of 1911 or Automatic Pistol, Caliber .45, M1911A1 for the M1911A1, adopted in 1924.
Relevant evidence: No