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DESCRIPTION
The M1911A1 .45 caliber pistol is a magazine-fed, semi-automatic, recoil-operated, single-action hand gun. It uses a .45 caliber rimless cartridge in a seven-round magazine. It fires one round each time the trigger is squeezed, once the hammer is cocked by prior action of the slide or thumb. This design is referred to as "single-action." The thumb safety may only be activated once the pistol is cocked.
John M. Browning designed the M1911 in response to the Army's need for a pistol with greater stopping-power following the Army's experience with close-in combat during the Philippine Insurrection (1899-1901). The M1911A1 model recoil semi-automatic adopted in 1926 was the standard personal defense weapon carried by officers and team leaders of all services during World War I, World War II, and
The M1911 has a rich military heritage, was very reliable, and the weapon of choice for use in close quarters. It was used up until 1984, when it began to be replaced by the more modern M9 9mm pistol.
Each time a cartridge is fired, the parts inside the weapon function in a given order. This is known as the functioning cycle or cycle of operation. The cycle of operation of the M1911A1 is divided into eight steps: feeding, chambering, locking, firing, unlocking, extracting, ejecting, and cocking. The steps are listed in the order in which functioning occurs; however, more than one step may occur at the same time.
1. A magazine containing ammunition is placed in the receiver. The slide is pulled fully to the rear and released. As the slide moves forward, it strips the top round from the magazine and pushes it into the chamber. The hammer remains in the cocked position, and the weapon is ready to fire.
2.The weapon fires one round each time the trigger is pulled. Each time a cartridge is fired, the slide and barrel recoil or move a short distance locked together. This permits the bullet and expanding powder gases to escape from the muzzle before the unlocking is completed.
3.The barrel then unlocks from the slide and continues to the rear, extracting the cartridge case from the chamber and ejecting it from the weapon. During this rearward movement the magazine feeds another cartridge, the recoil spring is compressed, and the hammer is cocked.
4. At the end of the rearward movement, the recoil spring expands, forcing the slide forward, locking the barrel and slide together. The weapon is ready to fire again. The same cycle of operation continues until the ammunition is expended.
5. As the last round is fired, the magazine spring exerts upward pressure on the magazine follower. The stop on the follower strikes the slide stop, forcing it into the recess on the bottom of the slide and locking the slide to the rear. This action indicates that the magazine in empty and aids in faster reloading.
AMMUNITION
- .45 M1911 Ball
- .45 M9 Blank
- .45 M1921 Dummy
- .45 M26 Tracer
- .45 XM261 High Density Shot
Other movies inspired by Caliber .45 pistol:
1 comment:
I remember the classic action movies carries a pistol used by either hero/protagonist & villain/antagonist use the Colt 45/M 1911 Browning clip load armed pistol became a standard military of the US Armed Forces issued since 1911-85 was replaced by M9 Beretta automatic pistol used today in the military & police forces into the 21st millenium. Thanks for the information. From:Wayne
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