The Colt Model 1900 was a self-loading semi-automatic .38 caliber handgun introduced by Colt at the turn of the century. It also marked the introduction of .38 ACP, the round for which it is chambered (not to be confused with the smaller .380 ACP) The term Colt, when used by itself, can refer to: A firearm produced by Colts Manufacturing Company, founded by Samuel Colt. ... The . ... The . ...
It was a development of his earlier prototypes in the late 1890s. It would be tested against some other pistols by the U.S. military, as well as be offered commercially leading to many other designs. Colt competed in various U.S. military trials, developing the design into the M1911. The M1911 is a single action, semi-automatic handgun, chambered for the . ...
This was first commercial pistol to have a slide used in its operation. This type of pistol design that uses a recoiling slide, invented by John Browning, became one of the most widely copied design features in firearms history. In addition to being directly copied, the basic design served as the basis for the vast majority of handguns for the 20th century and the start of the 21st. The ubiquity of slides in self-loading pistols began its trek to dominance with this little known design by John Browning.