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The Colt 1911 Caliber.45 is a pistol created by john Browning to the U.S Army, this pistol is currently used by many armies in the world, including United States, which is currently being replaced by the Berretta M9, but his great specifications shows that this pistol will be used by many years in various armies.
DescriptionEditThe history of the Colt Gov't / M1911 Pistol began in early 1900s, when famous designer John M. Browning began to develop semi-automatic pistols for Colt company. In the 1906-1907 U.S. Army announced trials to replace its service revolvers with new, semi-automatic pistol. Army required the new pistol to have the caliber of .45 inch, so Browning designed its own cartridge that fired 230 grains (15.64 gramms) bullet, and then, designed a new pistol. In 1911, after extensive testings, the new pistol and its cartridge, designed by Browning and manufactured by Colt, were adopted for U.S. military service as M1911. Prior to and during World War I, more than one million of these guns were manufactured, mostly by Colt and Springfield Armoury, as well as by Remington-UMC, Burroughs, Savage and some other companies. The rights to manufacture Colt/Browning design were also sold to some foreign countries, such as Norway or Argentine.
In 1926, original design was improved, following the recommendations of the US Army Ordnanve Dept. These changes incorporate the following items (see picture above): 1. Wider front sight 2. Longer hammer spur 3. Shorter trigger 4. Curved spring housing 5. Simplified grip panels checkering 6. Index finger reliefs behind the trigger 7. Longer grip-safety spur
The improved design was adopted by US Military as M1911A1 pistol, and served with distinction until the mid-1980s, when it was officially replaced in service with M9 pistol (US-made Beretta 92FS).
The commercial Colts of this design are known as Government models. In 1929, Colt introduced the Government pistol in its new chambering, the .38 Super Automatic, a hotter version of the earlier .38 Automatic cartridge. New pistol had bigger magazine capacity (9 rounds) and sold well on the police market. The .38 Super versions are still manufactured and used mostly as competition guns due to extreme accuracy.
During the 1970 - 1983, Colt manufactured Mk.IV series 70 Government model pistols, which closely resembled original M1911A1s, but with accurized barrel bushings. Since 1983, Colt manufactured Mk.IV Series 80 Government model pistols, that featured added firing pin safety. Latest Colt product, M1991A1, also featured Series 80 slide with firing pin safety.
Colt also developed some more compact versions of its full-size commercial guns. So called "Commander" versions (available as Combat Commanders, Lightweight Commanders with alloy frames etc.) have shortened barrels and slides (barrel length 108 mm, or 4.25 inch), with the standart size frame and grip, and standart magazine capacity of 7 rounds in .45 ACP. These guns were also available in .38 Super and 9mm Parabellum chamberings. In the year 1972, US Army adopted the M15 General Officers Model Pistol, developed by Rock Island Arsenal, wery similar to Combat Commander, as a selfdefence weapon for high level army officers. These guns had a brass plate insert in the left grip panel, where tha name of the owner should be engraved.
Even more compact version, the Colt Defender, had also the shorter grip that limits magazine capacity to 6 rounds of .45ACP. The barrel of Defender is of 76 mm length (3 inch). Commercial Colt Officers' pistols were also very similar to Defenders.
Along with Colt, countless numbers of companie in the USA and other countries manufactured more or less exact copies of the M1911. Some millions of guns were manufactured in the USA during the WW2 by numerous companies under US Government contracts, and probably even more were manufactured for commercial sales. Most common M1911 clones are manufactured by: Springfield armoury, Les Baer, Kimber, Wilson, STI, Para Ordnance and many, many others. Also, many M1911-partterned pistols are still custom built for service duty, sport shooting and self-defence.
Technically, the M1911 is a recoil operated, locked breech semi-auto pistol. It has single action trigger with frame mounted safety that locks the hammer and the slide. Hammer could be locked either in cocked or in lowered position, allowing the gun to be carried in "cocked and locked" state, with safety on, hammer cocked and round chambered. Additional automated safety incorporated into rear of the grip and locks the action when gun not held in the hand properly. Barrel and slide are interlocked via massive lugs on the upper part of the barrel, just ahead of the chamber. After the shot is fired, the barrel and the slide go back for the short distance, then rear part of the barrel is lovered by tilting link, and barrel unlocks the slide. The slide goes all the way back, extracting and ejecting spent case and chambering the new round on the way back. When magazine is empty, the magazine follower activates slide stop that locks the slide in the open (rear) position. The gun is fed from the single stack, seven round magazine. The magazine release button is located on the left side of the frame, just behind the triggerguard.
Modern Gov't/1911 clones may differ, more or less, from this description: i.e., those guns may have widebody frames that can accept dual stack, high capacity magazines; frames could be made from steel, alluminium alloys or polymer; some could have Double Action or even Double Action Only triggers, ambidextrous satety switches and slide stops etc.
The Colt Gov't / M1911 is probably the most popular pistol in the world. It is known for its reliability, serviceability, simplicity. Custom made M1911s capable of outstanding accuracy, and many of M1911-patterned guns are still in service with different military and law enforcement agencies in the USA.
- Brazil: The Brazilian Army uses a version of the M1911 developed by IMBEL chambered in 9x19mm Parabellum and designated '''M973.
- Costa Rica
- Dominican Republic
- Lithuania: Lithuanian Armed Forces.
- Nazi Germany: The Nazi soldiers used the M1911 captured of the allies
- South Korea
- South Vietnam
- Soviet Union: Thousands of pistols were received as military assistance during the first years World War II before the Red Army had power enough to counter-attack.
- Republic of China
- United Kingdom
- United States: Used by the US Army. A quantity of 5,000 was also purchased by the FBI Hostage Rescue Team.
- Action: Single
- Caliber: .45 ACP
- Capacity: 7 Rounds
- Barrel Length: 125 mm
- Weight: 1080 g
- Overall Length: 216 mm
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