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General-purpose machine gun

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Machine gun adaptable for several light and medium roles
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TheMG-42 type general-purpose machine guns in both bipod and tripod configurations. The tall tripod on the right is for anti-aircraft use.

Ageneral-purpose machine gun (GPMG) is anair-cooled, usuallybelt-fedmachine gun that can be adapted flexibly to various tactical roles forlight andmedium machine guns.[1] A GPMG typically features a quick-changebarrel designcalibered for variousfully powered cartridges such as the7.62×51mm NATO,7.62×54mmR,7.5×54mm French,7.5×55mm Swiss and7.92×57mm Mauser,[2] and be configured formounting to differentstabilizing platforms frombipods andtripods tovehicles,aircraft,boats andfortifications, usually as aninfantry support weapon orsquad automatic weapon.

History

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The general-purpose machine gun (GPMG) originated with theMG 34, designed in 1934 byHeinrich Vollmer ofMauser on the commission ofNazi Germany to circumvent the restrictions onmachine guns imposed by theTreaty of Versailles. It was introduced into theWehrmacht as an entirely new concept inautomatic firepower, dubbed theEinheitsmaschinengewehr, meaning "universal machine gun" inGerman.[3][4][5] In itself the MG 34 was an excellent weapon for its time: anair-cooled,recoil-operated machine gun that could run through belts of7.92×57mm Mauser ammunition at a rate of 850rounds per minute, with lethality at ranges of more than 1,000meters.[4][5] The main feature of the MG 34 is that simply by changing its mount,sights and feed mechanism, the operator could radically transform its function: on its standardbipod it was alight machine gun ideal forinfantry assaults; on atripod it could serve as a sustained-firemedium machine gun; mounting onaircraft orvehicles turned it into anair defence weapon, and it also served as thecoaxial machine gun on numerous Germantanks.[4][5]

DuringWorld War II, the MG 34 was supplemented by a new GPMG, theMG 42, although it remained in combat use.[6][7][8] The MG 42 was more efficient and cheaper to manufacture, and more robust, as well as having an extremely highcyclic rate of fire of 1,200 to 1,500 rounds per minute.[6][7][8] One of theEinheits Maschinengewehr GPMG roles was to provide low level anti-aircraft coverage. A high cyclic rate of fire is advantageous for use against targets typically exposed to fire for a limited time span, like aircraft or targets minimizing their exposure by quickly moving from cover to cover. It was nicknamed "Hitler'sbuzzsaw" byAllied troops, and alongside the MG 34 it inflicted heavycasualties on Allied soldiers on allEuropean andNorth African fronts of World War II.[6][8][9] Following the war the victorious Allied nations took an interest in the MG 34 and MG 42, influencing many post-war general-purpose machine guns, many still in use today. They lent design elements to the BelgianFN MAG and the AmericanM60, while spawning the Zastava M53, Swiss M51, and Austrian MG 74. The MG 42's qualities of firepower and usability meant that it became the foundation of an entire series of postwar machine guns, including the MG 1 andMG 3; the latter, as of 2023[update], is still in production.[6][7][8][10]

Post-WWII examples

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Gallery

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See also

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References

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  1. ^James H. Willbanks (2004).Machine Guns: An Illustrated History of Their Impact. ABC-CLIO. p. 226.ISBN 978-1-85109-480-6.
  2. ^"General Purpose Machine Gun".UK Army. Archived fromthe original on January 10, 2013.
  3. ^Jane's Guns Recognition Guide. Ian Hogg & Terry Gander. HarperCollins Publishers. 2005. page 375
  4. ^abcMilitary Small Arms of the 20th Century. 7th Edition. Ian V. Hogg & John S. Weeks. Krause Publications. 2000. page 326
  5. ^abcThe Encyclopedia of Weapons of World War II. Chris Bishop. Sterling Publishing Company. 2002. page 245 & 246
  6. ^abcd Jane's Guns Recognition Guide. Ian Hogg & Terry Gander. HarperCollins Publishers. 2005. page 376
  7. ^abc Military Small Arms of the 20th Century. 7th Edition. Ian V. Hogg & John S. Weeks. Krause Publications. 2000. page 329
  8. ^abcd The Encyclopedia of Weapons of World War II. Chris Bishop. Sterling Publishing Company. 2002. page 247
  9. ^ Military Small Arms of the 20th Century. 7th Edition. Ian V. Hogg & John S. Weeks. Krause Publications. 2000. page 328 & 329
  10. ^ MG 34 and MG 42 Machine Guns. by Chris McNab. Published by Random House Publishing Group. October 23, 2012. Quote taken from leaf.
  11. ^Military Small Arms Of The 20th Century. Ian Hogg & John Weeks. Krause Publications. 2000. p379
  12. ^Weapons: An International Encyclopedia From 5000 B.C. To 2000 A.D. Diagram Visual, p. 217.ISBN 0-312-03950-6.
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