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
A GMG of the German Army.
TypeAutomatic grenade launcher
Place of originGermany
Service history
In service1990s–present
Used bySee Users
WarsWar in Afghanistan (2001–2021)
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 fire340 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

Design details

The GMG fires 40 mm grenades at a rate of about 340 rounds per minute.[2] It 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 470 × 160 × 250 mm. The gun cycles 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
Map with Heckler & Koch GMG users in blue

See also

Notes
  1. "Heckler & Koch :: Home". Archived from the original on 27 November 2011. Retrieved 23 November 2014.
  2. "GMG Technical Data". Retrieved 8 February 2022.
  3. admin (4 July 2018). "First production of Jankel FOX Rapid Reaction Vehicles to Belgian Special Regiment". MilitaryLeak. Retrieved 26 July 2023.
  4. "Defence". Archived from the original on 8 July 2012. Retrieved 19 December 2010.
  5. "Too Late? Canada's CASW for 40mm GMGs". Archived from the original on 22 December 2010. Retrieved 20 December 2010.
  6. "Paiste07 - Tekniikkaa - päivän vempele". tietokannat.mil.fi. Archived from the original on 21 August 2009.
  7. Jones, Richard D. Jane's Infantry Weapons 2009/2010. Jane's Information Group; 35 edition (27 January 2009). ISBN 978-0-7106-2869-5.
  8. Thompson, Leroy (1 March 2013). "Ireland's Army Rangers (page 1)". Tactical-Life. Archived from the original on 22 September 2015. Retrieved 19 November 2016.
  9. "Archived copy" (PDF). www.mod.gov.lv. Archived from the original (PDF) on 1 October 2008. Retrieved 22 May 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  10. "Lietuvos kariuomenė :: Ginkluotė ir karinė technika » Granatsvaidžiai ir prieštankiniai ginklai » Automatinis granatsvaidis H&K GMG 40 mm". Archived from the original on 9 July 2012. Retrieved 23 November 2014.
  11. Dan, Alex (9 February 2016). "PASKAL Malaysian Special Forces Weapons". Military Factory (Small Arms). Archived from the original on 14 February 2016. Retrieved 1 May 2016.
  12. "Special Forces - Wapens" (in Dutch). Netherlands Legermuseum: Collectie Informatie Centrum. Archived from the original on 27 February 2009. Retrieved 17 October 2009.
  13. "AGW, automatische granaatwerper 40 mm" (in Dutch). Netherlands Ministry of Defence. Archived from the original on 1 October 2011. Retrieved 24 February 2010.
  14. "NZ Army" (PDF). NZ Army News (428). February 2012. Archived (PDF) from the original on 1 June 2012. Retrieved 10 November 2018.
  15. "Forsvarsdepartementet får 10 millioner kroner i bot". Aftenposten. Archived from the original on 3 March 2016. Retrieved 23 November 2014.
  16. "GNR HK GMG".
  17. "HECKLER & KOCH GMG Automatic Grenade Launcher". Archived from the original on 8 April 2023. Retrieved 23 May 2023.
  18. "HEAVY HITTERS" (PDF). Archived from the original (PDF) on 7 July 2011. Retrieved 12 April 2010.
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