Daewoo Precision Industries K4
|Daewoo Precision Industries K4|
Daewoo Precision Industries K4 on display
|Type||Automatic grenade launcher|
|Place of origin||Republic of Korea|
|Used by||See Users|
|Wars||War in Afghanistan
Libyan civil war
|Designer||Agency for Defense Development
Daewoo Precision Industries
|Manufacturer||Daewoo Precision Industries
S&T Motiv 
|Weight||34.4 kg (75.84 lb) (no tripod)|
|Length||1094 mm (43.1 in)|
|Barrel length||412 mm (16.22 in)|
|Rate of fire||350 rounds/min|
|Muzzle velocity||875 m/s (2870 ft/s)|
|Effective firing range||1,500 m|
|Maximum firing range||2,212 m|
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. It was developed as a complement to the K-201 hand-held grenade launcher (attachable to the K2). 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.
- "Daewoo K4 40 mm machine gun (Korea, South), Weapons of 20 mm and upward". Jane's Armour and Artillery Upgrades. May 17, 2010. Retrieved 2010-06-24.
- "S&T Daewoo Succeeded in First Exporting K4 Automatic Grenade Machine Gun to Libya". S&T Holdings. December 21, 2009. Retrieved 2010-06-24.
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