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{{Infobox Weapon
{{Infobox weapon
|name= Daewoo Precision Industries K4
| name = Daewoo Precision Industries K4 <br />K4 고속유탄기관총
| image = K4 automatic grenade launcher.png
|image= [[File:K-4 Auto Grenade Launcher.jpg|300px]]
| image_size = 300
|caption= Daewoo Precision Industries K4 on display
| caption = K4 automatic grenade launcher
⚫
|origin= {{flag|Republic of Korea}}
| origin = South Korea
|type= [[Automatic grenade launcher]]
| type = [[Automatic grenade launcher]]
<!-- Type selection -->
<!-- Type selection -->
|is_ranged= yes
| is_ranged = yes
|is_explosive= yes
| is_explosive = yes
<!-- Service history -->
<!-- Service history -->
|service= 1993-present
| service = 1993–present
|used_by= See ''[[#Users|Users]]''
| used_by = See ''[[#Users|Users]]''
|wars= [[Operation Enduring Freedom]]<br>[[Iraq War]]<br>[[Libyan civil war]]
| wars = [[War in Afghanistan(2001-present)|War in Afghanistan]] <br />[[Iraq War]] <br />[[2011 Libyan Civil War|Libyan Civil War]]
<!-- Production history -->
<!-- Production history -->
| designer = [[Agency for Defense Development]] <br />[[SNT Motiv|Daewoo Precision Industries]]
|designer=
|design_date= 1986-1990
| design_date = 1985–1991
| manufacturer = Daewoo Precision Industries <small>(1981–1999)</small> <br />Daewoo Telecom <small>(1999–2002)</small> <br />Daewoo Precision <small>(2002–2006)</small> <br />S&T Daewoo <small>(2006–2012)</small> <br />S&T Motiv <small>(2012–2021)</small> <br />[[SNT Motiv]] <small>(2021–present)</small>
|manufacturer= [[S&T Daewoo|Daewoo Precision Industries]] <ref name="janes2010"/>
|unit_cost=
| unit_cost =
|production_date= 1992-present
| production_date = 1993–present
|number=
| number =
|variants=
| variants =
<!-- General specifications -->
<!-- General specifications -->
|spec_label=
| spec_label =
|weight= 34.4 kg (75.84 lb) (''no tripod'')
| weight = 34.4&nbsp;kg (75.84 lb) (''no tripod'')
|length= 1094 mm (43.1 in)
| length = 1,072&nbsp;mm (42.2 in)
|part_length= 412 mm (16.22 in)
| part_length = 412&nbsp;mm (16.22 in)
|width=
| width =
|height=
| height =
|diameter=
| diameter =
|crew=
| crew =
<!-- Ranged weapon specifications -->
<!-- Ranged weapon specifications -->
|cartridge=
| cartridge = [[40mm grenade|40×53mm grenade]]
|caliber= 40mm <ref name="janes2010"/>
| caliber = 40&nbsp;mm
|barrels=
| barrels =
|action= API Blowback
| action = [[API blowback]]
|rate= 350 rounds/min
| rate = 325–378&nbsp;rounds/min
| velocity = {{convert|240.8|m/s|ft/s|abbr=on}} <small>(K212)</small> <br />{{convert|242.3|m/s|ft/s|abbr=on}} <small>(KM383)</small><ref name="Ammunition">{{cite web|url=https://dl.nanet.go.kr/file/fileDownload.do?linkSystemId=NADL&controlNo=NONB1201818281|title=화기별·탄종별 사격장 안전기준 정립 연구|publisher=Republic of Korea Army Headquarters|date=25 May 2018|archiveurl=https://web.archive.org/web/20211014062442/https://dl.nanet.go.kr/file/fileDownload.do?linkSystemId=NADL&controlNo=NONB1201818281|archivedate=14 October 2021|accessdate=14 October 2021|author=Security Management Institute}} p. 118</ref>
|velocity= 875 m/s (2870 ft/s)
| range = {{convert|1500|m|yd|abbr=on}}
|range= 1500 m (1640 yd)
|max_range= 2012 m (2200 yd)
| max_range = {{convert|2200|m|yd|abbr=on}}
| feed = belt-fed, 32 or 48 grenades belt
|feed=
| sights = KAN/TVS-5 night vision scope can be attached<ref name="SADJROK">{{Cite web|url=http://www.sadefensejournal.com/wp/weapons-of-the-republic-of-korea-marine-corps|title = Weapons of the Republic of Korea Marine Corps – Small Arms Defense Journal}}</ref>
|sights=
<!-- Artillery specifications -->
<!-- Artillery specifications -->
|breech=
| breech =
|recoil=
| recoil =
|carriage=
| carriage =
|elevation=
| elevation =
|traverse=
| traverse =
<!-- Explosive specifications -->
<!-- Explosive specifications -->
|filling=
| filling =
|filling_weight=
| filling_weight =
|detonation=
| detonation =
|yield=
| yield =
}}
}}


The '''Daewoo Precision Industries K4''' ({{Korean |hangul=K4 고속유탄기관총 |hanja=K4 高速榴彈機關槍}}) is a [[40mm grenade|40x53mm]] high-speed automatic grenade launcher in use with the [[Republic of Korea Armed Forces]].
The '''Daewoo Precision Industries K4''' is a [[40 mm]] high-speed Automatic Grenade Launcher in use with the [[Republic of Korea Army|South Korean Army]].<ref name="janes2010">{{cite web |url=http://www.janes.com/articles/Janes-Armour-and-Artillery-Upgrades/Daewoo-K4-40-mm-machine-gun-Korea-South.html |title=Daewoo K4 40 mm machine gun (Korea, South), Weapons of 20 mm and upward |date=May 17, 2010 |publisher=Jane's Armour and Artillery Upgrades |accessdate=2010-06-24}}</ref> It is very similar to the American [[Mk 19 grenade launcher]].<ref name="janes2010"/> It was developed as a complement to the K-201 hand-held [[grenade launcher]] (attachable to the [[Daewoo K2|K2]]). It has a weight of 65.9&nbsp;kg and can fire up to 325 rounds per minute with a firing range of 1.5&nbsp;km.

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

==History==
The K4 was first developed in 1994.<ref>{{Cite web|url=https://21stcenturyasianarmsrace.com/2017/04/20/south-korea-is-the-new-arsenal-of-democracy/|archive-url=https://web.archive.org/web/20170526082004/https://21stcenturyasianarmsrace.com/2017/04/20/south-korea-is-the-new-arsenal-of-democracy/|url-status=usurped|archive-date=May 26, 2017|title = South Korea is the New Arsenal of Democracy|date = 20 April 2017}}</ref>

==Design==
[[File:Demonstration of firing of the K4 automatic grenade launcher.webm|thumb|thumbtime=1:13|305px|Demonstration of firing of the K4 automatic grenade launcher]]

It has a weight of 34.4 &nbsp;kg (empty, without accessories) and can fire up to 325 rounds per minute with a firing range of 1.5&nbsp;km. When needed to be used during night operations, a KAN/TVS-5 night vision scope can be attached onto the receiver.<ref name="SADJROK"/>

The K4 is said to visually resemble the Mk 19 AGL.<ref>{{cite web |url=https://www.janes.com/articles/Janes-Armour-and-Artillery-Upgrades/Daewoo-K4-40-mm-machine-gun-Korea-South.html |title=Daewoo K4 40 mm machine gun (Korea, South) - Jane's Armour and Artillery Upgrades |website=www.janes.com |access-date=7 September 2022 |archive-url=https://web.archive.org/web/20091106151611/https://www.janes.com/articles/Janes-Armour-and-Artillery-Upgrades/Daewoo-K4-40-mm-machine-gun-Korea-South.html |archive-date=6 November 2009 |url-status=dead}}</ref>


==Users==
==Users==
<!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->
[[File:Daewoo Precision Industries K4 Users.png|thumb|400px|Map with K4 users in blue]]<!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->


*{{flag|Iraq}}: Small numbers used by Iraqi special forces on Humvees.<ref>{{cite web|title=ISOF Arms & Equipment Part 4 – Grenade Launchers & Anti-Armour Weapons |url=http://armamentresearch.com/isof-arms-equipment-part-4-grenade-launchers-anti-armour-weapons/|first=Miles|last= Vining|date=June 19, 2018|website=[[armamentresearch.com]]}}</ref>
*{{flag|Libya}}: First export customer, purchased the K4 in 2009.<ref>{{cite web |url=http://www.hisntholdings.com/eng/sub04_01.html?code=&subcode=&page=2&bbsData=bm89Mzk3%7C%7C&mode=view&397 |title=S&T Daewoo Succeeded in First Exporting K4 Automatic Grenade Machine Gun to Libya |date=December 21, 2009 |publisher=S&T Holdings |accessdate=2010-06-24}}</ref>
*{{flagcountry|Libya}}: First export customer, purchased the K4 in 2009.<ref>{{cite web|url=http://www.hisntholdings.com/eng/sub04_01.html?code=&subcode=&page=2&bbsData=bm89Mzk3%7C%7C&mode=view&397 |title=S&T Daewoo Succeeded in First Exporting K4 Automatic Grenade Machine Gun to Libya |date=December 21, 2009 |publisher=S&T Holdings |accessdate=2010-06-24|archiveurl=https://web.archive.org/web/20200303115107/http://www.hisntholdings.com/eng/pr/news.html?code=share_notice&p=&page=15&bbsData=bm89Mjg3%7C%7C&search=&searchstring=&mode=view|archivedate=2020-03-03}}</ref>
*{{flag|Republic of Korea}}: [[Republic of Korea Army]].<ref name="janes2010"/>
*{{flag|Mexico}}: Purchased since 2011.<ref>{{cite web|url=http://www.sntmotiv.com/phtml/news_view.php?idx=395&kind= |archive-url=https://archive.today/20150413200849/http://www.sntmotiv.com/phtml/news_view.php?idx=395&kind= |url-status=dead |archive-date=April 13, 2015 |title=S&T모티브, 멕시코, 파푸아뉴기니 軍․警에 총기 수출 |date=April 10, 2013 |publisher=S&T Motiv }}</ref>
*{{POL}}: Several hundred K4s ordered in 2022.<ref>{{cite web|url=https://milmag.pl/koreanskie-granatniki-k4-dla-polski/|title=Koreańskie granatniki K4 dla Polski|date= September 26, 2022|publisher=milmag.pl|lang=pl}}</ref>
⚫
*{{flag|Republic of Korea}}<ref name="SADJROK"/>
*{{flag|Singapore}}: 17 K4s transferred according to a 2019 SIPRI small arms report.<ref name="SIPRI19">{{cite web |url=http://www.smallarmssurvey.org/fileadmin/docs/S-Trade-Update/SAS-Trade-Update-2019.pdf |title=Archived copy |website=www.smallarmssurvey.org |access-date=15 January 2022 |archive-url=https://web.archive.org/web/20191211191444/http://www.smallarmssurvey.org/fileadmin/docs/S-Trade-Update/SAS-Trade-Update-2019.pdf |archive-date=11 December 2019 |url-status=dead}}</ref>


==See also==
==See also==
* {{lwc|AGS-17}}
*[[Daewoo K2#Design|Daewoo K201]]
* {{lwc|AGS-30}}
⚫
*[[Mk 19 grenade launcher]]
* {{lwc|AGS-40 Balkan|AGS-40}}
* {{lwc|Heckler & Koch GMG|GMW}}
⚫
* {{lwc|Mk 19 grenade launcher|Mk 19}}
* {{lwc|Mk 47 Striker|Mk 47}}
* [[List of API blowback firearms]]
* [[List of grenade launchers]]


==References==
==References==
Line 69: Line 92:


==External links==
==External links==
{{commons category|Daewoo K4}}
* [http://www.janes.com/articles/Janes-Armour-and-Artillery-Upgrades/Daewoo-K4-40-mm-machine-gun-Korea-South.html Daewoo K4 40 mm machine gun] (Jane's Armour and Artillery article)
* [http://blog.naver.com/pilothjm3?Redirect=Log&logNo=110013659708 K1 through K7 images]


{{API blowback firearms}}
⚫
[[Category:Modern weapons of South Korea]]
{{Modern South Korean Infantry Weapons}}

[[Category:API blowback firearms]]
[[Category:Automatic grenade launchers]]
[[Category:Automatic grenade launchers]]
[[Category:40×53mm grenade launchers]]
⚫
[[Category:Post–Cold War weapons of South Korea]]
[[Category:Weapons of South Korea]]
[[Category:Weapons and ammunition introduced in 1993]]
[[Category:ADD research and development projects]]




{{gun-stub}}
{{gun-stub}}

[[ko:K4 고속유탄기관총]]

Latest revision as of 18:52, 5 January 2025

Daewoo Precision Industries K4
K4 고속유탄기관총
K4 automatic grenade launcher
TypeAutomatic grenade launcher
Place of originSouth 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 (1981–1999)
Daewoo Telecom (1999–2002)
Daewoo Precision (2002–2006)
S&T Daewoo (2006–2012)
S&T Motiv (2012–2021)
SNT Motiv (2021–present)
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 fire325–378 rounds/min
Muzzle velocity240.8 m/s (790 ft/s) (K212)
242.3 m/s (795 ft/s) (KM383)[1]
Effective firing range1,500 m (1,600 yd)
Maximum firing range2,200 m (2,400 yd)
Feed systembelt-fed, 32 or 48 grenades belt
SightsKAN/TVS-5 night vision scope can be attached[2]

The Daewoo Precision Industries K4 (Korean: K4 고속유탄기관총; Hanja: K4 高速榴彈機關槍) is a 40x53mm high-speed automatic grenade launcher in use with the Republic of Korea Armed Forces.

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

History

[edit]

The K4 was first developed in 1994.[3]

Design

[edit]
Demonstration of firing of the K4 automatic grenade launcher

It has a weight of 34.4  kg (empty, without accessories) 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.[2]

The K4 is said to visually resemble the Mk 19 AGL.[4]

Users

[edit]
Map with K4 users in blue
  •  Iraq: Small numbers used by Iraqi special forces on Humvees.[5]
  •  Libya: First export customer, purchased the K4 in 2009.[6]
  •  Mexico: Purchased since 2011.[7]
  •  Poland: Several hundred K4s ordered in 2022.[8]
  •  South Korea[2]
  •  Singapore: 17 K4s transferred according to a 2019 SIPRI small arms report.[9]

See also

[edit]

References

[edit]
  1. ^ Security Management Institute (25 May 2018). "화기별·탄종별 사격장 안전기준 정립 연구". Republic of Korea Army Headquarters. Archived from the original on 14 October 2021. Retrieved 14 October 2021. p. 118
  2. ^ a b c "Weapons of the Republic of Korea Marine Corps – Small Arms Defense Journal".
  3. ^ "South Korea is the New Arsenal of Democracy". 20 April 2017. Archived from the original on May 26, 2017.
  4. ^ "Daewoo K4 40 mm machine gun (Korea, South) - Jane's Armour and Artillery Upgrades". www.janes.com. Archived from the original on 6 November 2009. Retrieved 7 September 2022.
  5. ^ Vining, Miles (June 19, 2018). "ISOF Arms & Equipment Part 4 – Grenade Launchers & Anti-Armour Weapons". armamentresearch.com.
  6. ^ "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.
  7. ^ "S&T모티브, 멕시코, 파푸아뉴기니 軍․警에 총기 수출". S&T Motiv. April 10, 2013. Archived from the original on April 13, 2015.
  8. ^ "Koreańskie granatniki K4 dla Polski" (in Polish). milmag.pl. September 26, 2022.
  9. ^ "Archived copy" (PDF). www.smallarmssurvey.org. Archived from the original (PDF) on 11 December 2019. Retrieved 15 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
[edit]
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