Infantry Weapons and Their Effects 1953 US Army; M1911A1, M3 Submachine Gun, M1 Carbine

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• published: 21 Nov 2015
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US Army Training Film playlist: https://www.youtube.com/playlist?list=PL0C7C6CCF1C0DEBB3 more at http://quickfound.net/links/military_news_and_links.html "INFANTRY WEAPONS AND THEIR EFFECTS: U.S. PISTOL CALIBER .45, SUBMACHINE GUN CALIBER .45, U.S. CARBINE, CALIBER .30. MECHANICAL CHARACTERISTICS, OPERATION, AND USE IN COMBAT." US Army Field Bulletin FB-273 Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied. The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original). http://creativecommons.org/licenses/by-sa/3.0/ https://en.wikipedia.org/wiki/M1911_pistol The M1911 is a single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the .45 ACP cartridge. It served as the standard-issue sidearm for the United States Armed Forces from 1911 to 1986. It was first used in later stages of the Philippine-American War, and was widely used in World War I, World War II, the Korean War, and the Vietnam War. The pistol's formal designation as of 1940 was Automatic Pistol, Caliber .45, M1911 for the original model of 1911 or Automatic Pistol, Caliber .45, M1911A1 for the M1911A1, adopted in 1924. The designation changed to Pistol, Caliber .45, Automatic, M1911A1 in the Vietnam era. In total, the U.S. procured around 2.7 million M1911 and M1911A1 pistols in military contracts during its service life. The M1911 was replaced by the 9mm Beretta M9 pistol as the standard U.S. sidearm in October 1986, but due to its popularity among users, it has not been completely phased out. Modernized derivative variants of the M1911 are still in use by some units of the U.S. Army Special Forces, the U.S. Navy and U.S. Marine Corps. Designed by John Browning, the M1911 is the best-known of his designs to use the short recoil principle in its basic design. The pistol was widely copied, and this operating system rose to become the preeminent type of the 20th century and of nearly all modern centerfire pistols. It is popular with civilian shooters in competitive events such as USPSA, IDPA, International Practical Shooting Confederation, and Bullseye shooting. Compact variants are popular civilian concealed carry weapons, because of the design's relatively slim width and the power of the .45 ACP cartridge... https://en.wikipedia.org/wiki/M3_submachine_gun The M3 was an American .45-caliber submachine gun adopted for U.S. Army service on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. The M3 was chambered for the same .45 round fired by the Thompson submachine gun, but was cheaper to produce, lighter, and more accurate. The M3 was commonly referred to as the "Grease Gun" or simply "the Greaser," owing to its visual similarity to a mechanic's grease gun. Intended as a replacement for the .45-caliber Thompson series of submachine guns, the M3 and its improved successor, the M3A1 began to replace the Thompson in first-line service in late 1944 and early 1945. Due to delays caused by production issues and approved specification changes, the M3/M3A1 saw relatively little combat use in World War II... https://en.wikipedia.org/wiki/M1_carbine The M1 carbine (formally the United States Carbine, Caliber .30, M1) is a lightweight .30 caliber semi-automatic carbine that became a standard firearm for the U.S. military during World War II, the Korean War and the Vietnam War, and was produced in several variants. Easy to use, it was widely used by U.S. and foreign military, paramilitary and police forces, and has also been a popular civilian firearm. In selective-fire versions capable of fully automatic firing, the carbine is designated the M2 carbine. The M3 carbine was an M1 or M2 with an active infrared scope system. Unlike conventional carbines, which are generally shorter-barreled versions of a longer parent rifle (like the earlier .30-40 U.S. Krag rifle and carbine and the later M16 rifle and M4 carbine), the M1 carbine has only one minor part in common with the unrelated larger M1 Garand, a short buttplate screw, and fires a different cartridge...