Automatic Colt Pistol
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Automatic Colt Pistol (ACP) denotes various
John Moses Browning John Moses Browning (January 23, 1855 – November 26, 1926) was an American firearm designer who developed many varieties of military and civilian firearms, cartridges, and gun mechanisms many of which are still in use around the world. He m ...
cartridge Cartridge may refer to: Objects * Cartridge (firearms), a type of modern ammunition * ROM cartridge, a removable component in an electronic device * Cartridge (respirator), a type of filter used in respirators Other uses * Cartridge (surname), a ...
designs primarily used in Colt and
Fabrique Nationale de Herstal Fabrique Nationale Herstal (), trading as FN Herstal and often referred to as Fabrique Nationale or simply FN, is a leading firearms manufacturer based in Herstal, Belgium. It is currently the largest exporter of military small arms in Europe. ...
semi-automatic pistols A semi-automatic pistol is a type of repeating single- chamber handgun (pistol) that automatically cycles its action to insert the subsequent cartridge into the chamber (self-loading), but requires manual actuation of the trigger to actua ...
. All of these cartridges are straight-sided and appear similar. The
.32 ACP .32 ACP ( Automatic Colt Pistol, also known as .32 Automatic) is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pi ...
,
.38 ACP The .38 ACP ( Automatic Colt Pistol), also known as the .38 Auto or 9x23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model ...
, and
.25 ACP The .25 ACP ( Automatic Colt Pistol) (6.35×16mmSR) is a semi-rimmed, straight-walled centerfire pistol cartridge introduced by John Browning John Moses Browning (January 23, 1855 – November 26, 1926) was an American firearm designe ...
are semi-rimmed and headspace on the rim, while the rimless
.45 ACP The .45 ACP ( Automatic Colt Pistol) or .45 Auto (11.43×23mm) is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it ...
and
.380 ACP The .380 ACP (9×17mm) ( Automatic Colt Pistol) is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case.Wilson, R. K. ''Textbook of Automatic Pisto ...
headspace on the mouth of the case.Wilson, R. K. (1943). ''Textbook of Automatic Pistols''. Plantersville, SC: Small Arms Technical Publishing Company. pp. 229, 234, 241, 254, and 258.


ACP cartridges

*
.32 ACP .32 ACP ( Automatic Colt Pistol, also known as .32 Automatic) is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pi ...
(7.65×17mmSR) – 1899 *
.38 ACP The .38 ACP ( Automatic Colt Pistol), also known as the .38 Auto or 9x23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model ...
(9×23mmSR) – 1900 *
.25 ACP The .25 ACP ( Automatic Colt Pistol) (6.35×16mmSR) is a semi-rimmed, straight-walled centerfire pistol cartridge introduced by John Browning John Moses Browning (January 23, 1855 – November 26, 1926) was an American firearm designe ...
(6.35×16mmSR) – 1905 *
.45 ACP The .45 ACP ( Automatic Colt Pistol) or .45 Auto (11.43×23mm) is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it ...
(11.43×23mm) – 1905 *
.380 ACP The .380 ACP (9×17mm) ( Automatic Colt Pistol) is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case.Wilson, R. K. ''Textbook of Automatic Pisto ...
(9x17mm) – 1908


History

Colt has manufactured several self-loading pistols. The first was the Colt M1900 made from 1900 to 1902 exclusively for the
.38 ACP The .38 ACP ( Automatic Colt Pistol), also known as the .38 Auto or 9x23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model ...
. The Colt Model 1903 Pocket Hammer was manufactured for the same
.38 ACP The .38 ACP ( Automatic Colt Pistol), also known as the .38 Auto or 9x23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model ...
cartridge Cartridge may refer to: Objects * Cartridge (firearms), a type of modern ammunition * ROM cartridge, a removable component in an electronic device * Cartridge (respirator), a type of filter used in respirators Other uses * Cartridge (surname), a ...
from 1902 to 1928. The M1905 military pistol was manufactured for the
.45 ACP The .45 ACP ( Automatic Colt Pistol) or .45 Auto (11.43×23mm) is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it ...
cartridge Cartridge may refer to: Objects * Cartridge (firearms), a type of modern ammunition * ROM cartridge, a removable component in an electronic device * Cartridge (respirator), a type of filter used in respirators Other uses * Cartridge (surname), a ...
from 1905 to 1912. The M1905 was replaced by the military
M1911 pistol The M1911 (Colt 1911 or Colt Government) is a single-action, recoil-operated, semi-automatic pistol chambered for the .45 ACP cartridge. The pistol's formal U.S. military designation as of 1940 was ''Automatic Pistol, Caliber .45, M1911'' for t ...
which remained in production until 1970. The
Colt Model 1903 Pocket Hammerless The Colt Model 1903 Pocket Hammerless (not to be confused with the Colt Model 1903 Pocket Hammer or the M1903 Springfield rifle) is a .32 ACP caliber, self-loading, semi-automatic pistol designed by John Browning and built by Colt Patent Firearm ...
pistol was manufactured for the
.32 ACP .32 ACP ( Automatic Colt Pistol, also known as .32 Automatic) is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pi ...
from 1903 to 1941 and as the Model 1908 for the .380 ACP from 1908 to 1941. The Colt Model 1908 Vest Pocket pistol was manufactured for the
.25 ACP The .25 ACP ( Automatic Colt Pistol) (6.35×16mmSR) is a semi-rimmed, straight-walled centerfire pistol cartridge introduced by John Browning John Moses Browning (January 23, 1855 – November 26, 1926) was an American firearm designe ...
from 1908 to 1941.Quertermous, Russell & Steve (1981). ''Modern Guns''. Collector Books. . pp. 335–340.


See also

* 9mm Browning Long *
List of handgun cartridges List of handgun cartridges, approximately in order of increasing caliber. Table of handgun cartridges {, class="wikitable sortable" style="text-align:left" , - ! Cartridge name , , Bulletdiameter , , Caselength , , Cartridgelength , , Type , ...


References

{{Colt's Manufacturing Company Cartridge families