M73 machine gun

Machine Gun, Caliber 7.62 mm, M219
M219 Machine Gun
TypeMachine gun
Place of originUnited States
Service history
In service
  • M73: 1959
  • M73A1: 1970
  • M219: 1972
Used byU.S./NATO-aligned countries
WarsVietnam War
Production history
Designed1950s
Produced1950s — 1970s
VariantsSee Variants
Specifications
Mass
  • M73: 31 lb (14.1 kg)
  • M73A1/M219: 29.8 lb (13.5 kg)
Length48 in (1,219.2 mm)
Barrel length24 in (609.6 mm)

Cartridge7.62×51mm NATO
ActionRecoil-operated/short-recoil operation with gas assist
Rate of fire500-625 round/min
Muzzle velocity2,800 ft/s (853.44 m/s)
Effective firing range984 yd (899.8 m)
Maximum firing range4,000 yd (3,657.6 m)
Feed systemBelt Feed, left or right hand

The M73 and M219 are 7.62 mm NATO caliber machine guns designed for tank use. It is no longer in use by NATO countries. They were used on the M48 Patton and M60 Patton MBT series (including the M728 Combat Engineer Vehicle), as well as the MBT-70 prototype vehicles, and on the M551 Sheridan Armored Reconnaissance / Airborne Assault Vehicle (AR/AAV). They were also used in a twin mount in the turret of the V-100 Commando (M706) light armored car during the Vietnam War.