#machine_gun__machinegun  a rapidly firing automatic gun (often mounted)
  supertype:  #firearm__piece__small-arm__smallarm  a portable gun; "he wore his firearm in a shoulder holster"
  part:  #gunstock
  subtype:  #automatic_rifle__automaticrifle__automatic__machine_rifle__machinerifle  light machine gun
     subtype:  #assault_rifle  any of the automatic rifles with large magazines designed for military use
     subtype:  #Browning_automatic_rifle__BAR  a portable .30 caliber magazine-fed automatic rifle operated by gas pressure; used by United States troops in World Wars I and II and in the Korean War
  subtype:  #Browning_machine_gun  a belt-fed machine gun capable of firing more than 500 rounds per minute; used by United States troops in World War II and the Korean War
  subtype:  #Gatling_gun  an early form of machine gun having several barrels that fire in sequence as they are rotated
  subtype:  #Maxim_gun  an obsolete water-cooled machine gun having a single barrel
  subtype:  #Spandau  a German machine gun
  subtype:  #submachine_gun  machine gun that is a portable automatic firearm
     subtype:  #Bren_gun__Bren  a submachine gun operated by gas pressure; used by the British in World War II
     subtype:  #burp_gun__machine_pistol__machinepistol  a fully automatic pistol; a small submachine gun
     subtype:  #Kalashnikov  a type of submachine gun made in Russia
     subtype:  #light_machine_gun__lightmachinegun  a submachine gun not greater than .30 millimeter
     subtype:  #Tommy_gun__Thompson_submachine_gun  a .45-caliber submachine gun
     subtype:  #Uzi  a type of submachine gun that is designed and manufactured in Israel; "the Uzi is the weapon of choice for America's crack pedlars"

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