Daewoo Precision Industries K4

The Daewoo Precision Industries K4 is a 40x53mm high-speed Automatic Grenade Launcher in use with the Republic of Korea Armed Forces. It is very similar to the American Mk 19 grenade launcher.[1]

Daewoo Precision Industries K4
Daewoo Precision Industries K4 on display
TypeAutomatic grenade launcher
Place of originRepublic of Korea
Service history
In service1993-present
Used bySee Users
WarsWar in Afghanistan
Iraq War
Libyan Civil War
Production history
DesignerAgency for Defense Development
Daewoo Precision Industries
Designed1985-1991
ManufacturerDaewoo Precision Industries
S&T Daewoo
S&T Motiv
Produced1993-present
Specifications
Mass34.4 kg (75.84 lb) (no tripod)
Length1,072 mm (42.2 in)
Barrel length412 mm (16.22 in)
Cartridge40×53mm grenade
Caliber40 mm
ActionAPI Blowback
Rate of fire350 rounds/min
Muzzle velocity241 m/s (790.7 ft/s)
Effective firing range1,500 m
Maximum firing range2,212 m
Feed systembelt-fed, 32 or 48 grenades belt
SightsKAN/TVS-5 night vision scope can be attached[1]

The K4 was developed as a complement to the K-201 hand-held grenade launcher (attachable to the K2).

History

The K4 was first developed in 1994.[2]

Design

It has a weight of 65.9 kg and can fire up to 325 rounds per minute with a firing range of 1.5 km.

When needed to be used during night operations, a KAN/TVS-5 night vision scope can be attached onto the receiver.[1]

Users
A ROK Marine stands at attention behind a Daewoo K4.


  •  Iraq: Small numbers used by Iraqi special forces on Humvees.[3]
  •  Libya: First export customer, purchased the K4 in 2009.[4]
  •  South Korea[1]
  •  Mexico: Purchased since 2011.[5]
  •  Singapore: 17 K4s transferred according to a 2019 SIPRI small arms report.[6]

See also

References
  1. http://www.sadefensejournal.com/wp/weapons-of-the-republic-of-korea-marine-corps
  2. https://21stcenturyasianarmsrace.com/2017/04/20/south-korea-is-the-new-arsenal-of-democracy/
  3. Vining, Miles (June 19, 2018). "ISOF Arms & Equipment Part 4 – Grenade Launchers & Anti-Armour Weapons". armamentresearch.com.
  4. "S&T Daewoo Succeeded in First Exporting K4 Automatic Grenade Machine Gun to Libya". S&T Holdings. December 21, 2009. Archived from the original on 2020-03-03. Retrieved 2010-06-24.
  5. "S&T모티브, 멕시코, 파푸아뉴기니 軍․警에 총기 수출". S&T Motiv. April 10, 2013. Archived from the original on April 13, 2015.
  6. https://web.archive.org/web/20191211191444/http://www.smallarmssurvey.org/fileadmin/docs/S-Trade-Update/SAS-Trade-Update-2019.pdf
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