The official pistol/sidearm of the US army and other branches from ww1 to the end of the Vietnam War. It is was the most powerful pistol in the world until the Desert Eagle, or Deagle was introduced. It was, and still is the best selling semi-automatic pistol of all time. It can come in 9mm, but the most popular ammunition is .45 or .45 ACP.
by dictionaryblob128 April 23, 2022