US military's expert gunmen in action with an array of gunnery equipment.
The M249 light machine gun (LMG), formerly designated the M249 Squad Automatic Weapon (SAW) and formally written as Light Machine Gun, 5.56 mm, M249, is the American adaptation of the Belgian FN Minimi, a light machine gun manufactured by the Belgian company FN Herstal (FN).
The M249 provides infantry squads with the high rate of fire of a machine gun combined with accuracy and portability approaching that of a rifle.
The M240, officially the Machine Gun, Caliber 7.62 mm, M240, is from a family of belt-fed, gas-operated medium machine guns that chamber the 7.62×51mm NATO cartridge.
M240 is used extensively by infantry, most often in rifle companies, as well as on ground vehicles, watercraft and aircraft. Despite being heavier than some comparable weapons it is highly regarded for reliability and its standardization among NATO members is a major advantage.
The M2 Machine Gun or Browning .50 Caliber Machine Gun uses the powerful .50 BMG cartridge, which was developed alongside and takes its name from the gun itself (BMG standing for Browning Machine Gun).
Its design has had many specific designations; the official designation for the current infantry type is Browning Machine Gun, Cal. .50, M2, HB, Flexible. It is effective against infantry, unarmored or lightly armored vehicles and boats, light fortifications and low-flying aircraft.
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