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U.S. Colt .45 M1917 Revolver. The U.S. Army Model 1917 was created to supplement insufficient stocks of M1911 pistols during World War I. [2] The Colt M1917 Revolver was a New Service with a cylinder bored to take the .45 ACP cartridge and the half-moon clips to hold the rimless cartridges in position. Later production Colt M1917 revolvers had ...
The M1909 was an improvement on the Colt Model 1907, which was an earlier design by Browning chambered in .45 ACP that was turned down by the United States Department of War due to several issues, including constant jamming. In August 1909, Browning demonstrated his new automatic to Lieutenant Colonel Thompson by firing 500 rounds through it ...
The complaints caused the U.S. Army to hurriedly issue stocks of .45 caliber revolvers, and played a central role in its decision to replace the M1892 with the .45 Colt M1909 New Service revolver in 1909.
The Colt M1917 Revolver was essentially the same as the M1909, but with a cylinder bored to take the .45 ACP cartridge and the half-moon clips to hold the rimless cartridges in position. In early Colt production revolvers, attempting to fire the .45 ACP without the half-moon clips was unreliable at best, as the cartridge could slip forward into ...
The M1892 was replaced by the New Service Double Action revolver in 1899. In caliber .45 Colt, the New Service was accepted by the U.S. Military as the Model 1909 .45 revolver. The New Service revolver was available in other calibers such as .38 Special and, later in the 20th century, .45 ACP (as the M1917 revolver) and .357 Magnum. [48]
Colt Army Model 1860; Colt Dragoon Revolver; Colt M1861 Navy; Colt M1878; Colt M1892; Colt Model 1905 Marine Corps; Colt New Service; Colt Official Police; Colt ...
The .45 Colt (11.43×33mmR), often called the .45 Long Colt, is a rimmed straight-walled handgun cartridge dating to 1872.It was originally a black-powder revolver round developed for the Colt Single Action Army revolver.
In 1911, a commission recommended adoption of the semi-automatic .38 ACP caliber Colt Military Model 1902 pistol, after field trials with 25 such pistols, all purchased from Colt's London Agency. However, as the US had just adopted the Colt .45ACP M1911 pistol it was decided to conduct further tests.