Which of the handgun with which .400 Cor-Bon was designed to mimic was designed by John Browning in 1905?
.45 ACP: The .45 ACP (Automatic Colt Pistol), or .45 Auto (11.43×23mm) is a handgun cartridge designed by John Browning in 1905, for use in his prototype Colt semi-automatic pistol.
i don't know