In 1905, the .45 Automatic Colt Pistol (ACP) was designed by John Moses Browning (1855-1926). The ammo was created for a prototype of the Colt M1911 semi-automatic pistol.  Browning intended the ammo for use in the U.S. military, but the .45 ACP is revered by civilians, mostly for sports shooting and self-defense. Competition shooters often…