45 Auto Pistols - The M1911 (Colt 1911 or Colt Governmt) is a single-action, recoilless, semi-automatic pistol chambered in .45 ACP.
In 1940, the official designation of the US Army pistol was Automatic Pistol, Caliber .45, M1911 for the original model adopted in March 1911, and Automatic Pistol, Caliber .45, M1911A1 for the revised M1911A1 model, which changed service in 19 designs. Pistol, Caliber .45, Automatic, to the M1911A1 during the Vietnam War.
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The M1911 designed by John Browning is best known for using the short recoil principle in its basic design. The pistol was widely copied, and this operating system became an important type of the 20th century and almost all modern cterfire pistols. It is popular with civilian shooters in evts competitions such as the International Defense Pistol Association and Association.International Practice Shooting.
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The US Army has purchased approximately 2.7 million M1911 and M1911A1 pistols during its service life. The pistol served as the standard sidearm of the US Army from 1911 to 1985. It was used extensively during World War I, World War II, the Korean War, and the Vietnam War. The 9mm Beretta M9 pistol was used as the standard US military sidearm in 1985, replacing the M1911A1. However, it wasn't until October 1986 that the US Army replaced the M1911A1 with the Beretta M9 due to the popularity of the M1911. Users, it. Not fully divided. Modern versions of the M1911 are also used by the United States Army, United States Navy, and some units of the United States Marine Corps Special Forces.
The M1911 pistol originated in the late 1890s as a result of the search for a suitable self-loading (or semi-automatic) pistol to replace the various revolvers in service.
The United States uses new firearms at a phenomenal rate; Several new pistols and two new service pistols (M1892/96/98 Krag and M1895 Navy Lee), as well as several Colt and Smith & Wesson cartridges for the Army and Navy were adopted during the decade. The next decade saw a similar pace, including the adoption of many revolvers and an intense search for a self-loading pistol, culminating in the official adoption of the M1911 after the turn of the decade.
Hiram S. Maxim designed a self-loading rifle in the 1880s but was concerned with machine guns. However, the implementation of its principle of using cartridge ergy for reloading has led to many self-loading pistols in 1896. The design caught the attention of various soldiers, as each program began to find one suitable for their forces. In the United States, this program would lead to official testing at the turn of the 20th century.
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Between 1899 d and early 1900, self-loading pistols were tested, including efforts by Mauser (the C96 "Broomhandle"), Mannlicher (the Mannlicher M1894), and Colt (the Colt M1900).
This led to the purchase of 1,000 DWM Luger pistols chambered in 7.65mm Luger, bottled cartridges. During field trials, these caused some problems, especially power outages. Other governments have made similar complaints. Therefore, DWM produced the larger round, the 9×19mm Parabellum (known in military circles as the 9×19mm NATO), which is a collared version of the 7.65mm round. Fifty of these were also tested by the US Army in 1903.
American units fighting the Tausūg militia during the Moro Rebellion in Sulu during the Philippine War - America, using the Colt M1892 standard 38 Long Colt cartridge, found it unsuitable for the stress of jungle warfare, especially the truce. High fighting spirit and willing to use drugs to suppress pain.
The US Army returned to using the M1873 single-action cartridge in .45 Colt, which became standard in the late 19th century; Heavy bullets were found to be more effective against tribal charges.
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This problem prompted Chief of Staff General William Crozier to authorize additional testing of the new service pistol.
After the 1904 Thompson-LaGarde pistol performance test, Colonel John T. Thompson stated that the new pistol "should not be under .45 caliber" and should operate semi-automatically.
This led to the 1906 trial of pistols from six firearms manufacturers (namely, Colt, Bergmann, Deutsche Woff & Munitionsfabrik (DWM), Savage Arms, Noble, Webley, and White-Merrill).
Three of the six designs offered were scrapped early, leaving only the Savage, Colt and DWM designs chambered in .45 ACP (automatic Colt pistol).
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These three still have issues to work out, but only Colt and Savage have returned their creations. There is some debate as to the reasons for the removal of the DWM - some say they feel biased, and that the DWM design is primarily used as a "whip" for Savage and Colt pistols.
This is incompatible with buying the DWM design that Colt and Steyer had tried earlier in the 1900s. However, a series of field tests were conducted from 1907 to 1911 to decide between the Savage and Colt designs.
Among Colt's areas of success was the 1910 test in which its designer, John Browning, participated. A single pistol fired 6,000 rounds in 2 days. When the gun begins to heat up, it is immersed in water to cool it down. The Colt rifle passed with no reported defects and there were 37 units of the Savage design.
After successful trials, the Colt rifle was officially adopted by the Army on March 29, 1911 and was designated the "Model 1911", later changed to the "Model 1911" and "M1911" in 1917. . In the 1920s. The Director of Civilian Marksmanship began production of the M1911 pistol for members of the National Rifle Association in August 1912. About 100 pistols were stamped "N.R.A." Below the serial number is the Springfield Armory and manufactured by Colt.
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The M1911 was officially adopted by the US Navy and Marine Corps in 1913. The .45 ACP "US Army Model 1911" was used by both US cavalry and infantry during the US Punitive Expedition to Mexico with Pancho Villa in 1916.
In early 1917, Colt's Pat Arms Company and the US Government's Springfield Army delivered 68,533 M1911 pistols to the US Armed Forces. However, due to the need to greatly expand the US military and the increased demand for firearms during World War I, production expanded to contractors other than Colt and Springfield Armory, including Remington-UMC and North American Arms Co. In Quebec.
Many other manufacturers were awarded M1911 production contracts, including National Cash Register Company, Savage Arms Company, Caron Brothers of Montreal, Burroughs Adding Machine Co., Winchester Repeating Arms Company, and Lanston Monotype Company. The signing of the armistice led to the cancellation of the contract before the pistols were produced.
Experience on the battlefields of World War I led to very minor exterior changes that were completed in 1924. The new model received a modified type designation, the M1911A1, in 1926, with a requirement for M1911A1s to have serial numbers in excess of 700,000. M1911.
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Variations on the M1911A1 to the original design included a shorter trigger, a cutout in the frame behind the trigger, an arched mainspring housing, a longer safety spur (to prevent hammer), a wider front sight, a shorter spur hammer, and a simpler. Checking the grip (removal of "double diamond" relief).
These changes are subtle and often intended to make the pistol easier to fire. For those with small hands. There are no major internal differences and parts are still interchangeable between the M1911 and M1911A1.
Working for the US Bureau of Ordnance, David Marshall Williams developed a .22 practice version of the M1911 using a floating chamber to give the .22 rimfire rifle the same recoil as the .45 version.
As a Colt Service Ace, this is available as a pistol and as a conversion kit for .45 M1911 pistols.
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Before World War II, the Norwegian arms factory Kongsberg Vaapfabrikk produced 500 M1911s under license, the automatic pistol Model 1912. Th, production was designated the modified Model 1914 and informally known as the "Kongsberg Colt". The M/1914 pistol is noted for its unusual slide stop specified by the Norwegian Ordnance Authority. 22,000 were produced between 1914 and 1940, but production continued after the German invasion of Norway in 1940 and 10,000 were produced as the Pistole 657(n) for the German armed forces.
Between 1927 and 1966, 102,000 M1911 pistols were produced in Argentina as the Sistema Colt Modelo 1927, first by the Dirección Geral de Fabricaciones Militares. A similar gun, the Ballester-Molina, was also designed and manufactured.
The M1911 and M1911A1 pistols were also ordered from Colt or manufactured locally in modified form by other countries, including Brazil (M1937 contract), Mexico (M1911 Mexican contract).
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