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M73


M219


Overview


M73 machine gun

M73 machine gun on display at the National Guard Militia Museum as seen in 2020.
Source: National Guard Militia Museum - © Public domain

Origin
United States
Type
Vehicle machine gun
Entered service
1959 (M73)
1970 (M219)
Status
In service
Development
1951 - 1958 (M73)
1970 (M219)
Developer
United States - Rock Island Arsenal
Production
1959 - Mid to late 1970's
Producer
United States - General Electric
Number produced
Many thousands
Designations
T197, T197E1, T197E2 (prototypes)
Machine Gun, 7.62-MM, M73A1 (US military)
M73A1 (early name for M219)
Notable users
United States

Variants


List of M73 vehicle machine guns

M73
Original M73 vehicle machine gun as adopted in 1959.
M219
Updated M73 machine gun with improved ejection mechanism. Adopted in 1970 as the M73A1. Re-designated as the M219 in 1977, or perhaps in 1972 as some sources indicate.

Details


Facts M73
General
Origin
United States
Type
Vehicle machine gun
Caliber
Caliber
7.62x51mm NATO
Feed system
Belt feed, right or left hand feed
Barrel length
609 mm
Muzzle velocity
853 m/s
Operation
Action
Gas-assisted short recoil
Fire selector
0 - F
Rate of fire
500 - 625 rpm
Dimensions
Stock type
None
Length
1.219 mm
Width
112 mm
Weight
14.1 kg for M73
14.5 kg for M219

Media


Platforms


Note: incomplete list

M60 Patton

Fitted with M73 and later the M219 machine gun as a coaxial weapon. Late production models had the new M240 machine guns.

M728 Combat Engineer Vehicle

Combat Engineer Vehicle based on the M60 Patton main battle tank. Fitted with M73 and later the M219. Many retrofitted with the M240 in their service life.

Related articles


Browning M37

The M73 was developed to replace the M37 as a vehicle machine gun in US military service.

FN MAG Coaxial

In US military service the Belgian MAG Coaxial replaced the M73/M219. These are known as the M240 or M240C in US service.