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Heckler & Koch GMG

Heckler & Koch GMG

The GMG (Granatmaschinengewehr or "grenade machine gun") is an automatic grenade launcher developed by Heckler & Koch for the German Army. It is also often referred to as GMW or GraMaWa (Granatmaschinenwaffe).[1]

GMG
TypeAutomatic grenade launcher
Place of originGermany
Service history
Used bySee Users
WarsWar in Afghanistan (2001–present)
Production history
Designed1992-1995
ManufacturerHeckler & Koch
Produced1996-Present
VariantsGMW
Specifications
Mass28.8 kg Gun, 10.7 kg tripod and 8 kg softmount.
Length1090 mm
Barrel length415 mm
Width226 mm (without ammunition box)
Height208 mm

Cartridge40x53 mm
ActionAPI Blowback
Rate of fire350 rounds/min
Muzzle velocity241 m/s
Effective firing range1500 m
Maximum firing range2200 m
Feed system32-round disintegrating, closed-link belt
SightsReflex sight and back-up leaf sight
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Design details

It fires 40 mm grenades at a rate of about 340 rounds per minute. The GMG is belt-fed, and can be loaded from either side, making it easy to mount on most platforms. With a variety of day and night sights available, the GMG can be used for most medium range infantry support situations.

The weapon is 1.09 m long and has a 415 mm rifled barrel; the ammunition box has dimensions of 470x160x250 mm. The gun operates on a recoil operated blow back basis. It weighs 29 kg; the tripod is an additional 11 kg.

Testing and operation

The HK GMG was tested in the Yuma desert in Arizona in 1997 in order to compete for future United States contracts.

Users

See also

  • Comparison of automatic grenade launchers

References

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