- S&T Daewoo K11
The S&T Daewoo K11.
Type Advance assault rifle and grenade launcher Place of origin Republic of Korea Service history In service 2010-present  Wars War in Afghanistan Production history Designed 2000-2008  Manufacturer S&T Daewoo  Unit cost US$14,000  Produced 2010-present  Specifications Weight 6.1 kg (13.45 lb)  Length 860 mm (33.86 in)  Barrel length Caliber Action Muzzle velocity 200 m/s (20mm HEAB) Effective range 500 m (1640 ft)  Feed system Sights Ballistics computer, day (Optical)/night (Thermal vision) vision sight 
The S&T Daewoo K11 is an assault rifle chambered to fire 5.56mm rounds, as well as 20mm air-burst shells from its overbarrel launcher. Two conventional 20mm shells either detonate immediately on impact or on a timed fuse after impact. A third type of shell is controlled by the weapon's integrated electronics to explode a few meters from the target, yielding an air burst effect capable of killing targets within a 6m area and seriously wounding those within a 8m area. Users enter a range at which the shell is to detonate, allowing targets in ditches, in buildings, or behind walls to be destroyed without requiring the shell to strike the target.
The K11 was officially unveiled to the public at the DSEI military expo, though information pertaining to its development was available since 2006.
The weapon was adopted by the Republic of Korea Armed Forces in 2008 and was distributed within the Republic of Korea Army during 2010, making it the world's first army to use an airburst rifle as standard issue in the military. Each squad is reported to be issued two K11s, though it will not replace grenadiers who currently use K2 rifles with the underslung K201 grenade launcher.
In March 2011 it was announced that 15 out of 39 K11s issued since June 2010 (including 7 out of 20 rifles used by Korean forces in Afghanistan) had shown serious defects and the decision had been made to halt production and modify the design. The defects included: barrel movements during firing, defects in the striking mechanism, condensation forming inside the laser reception lens, and defects in switching from single to automatic fire.
Equipped with a laser range-finder as well as a ballistics computer, the K11 allows the operator to quickly find the distance to a target and launch an air burst shell. The shell will then detonate a few meters away from the target.
An electronic scope is integrated on the K11; it can be linked to a goggle system with a digital display. The display can be used during nighttime with thermal imaging, and shows the range information from the laser range-finder.
The weapon is compatible with standard 20- or 30-round 5.56 mm NATO magazines, and can hold 6-round magazines of 20 mm shells, at one time.
- ^ a b c "숨은 적 공격하는 K11 소총, 국내 본격 공급". Yonhap. http://news.chosun.com/site/data/html_dir/2010/05/31/2010053100963.html. Retrieved 2010-05-31.
- ^ "김태영 국방부장관, 해외파병부대 격려방문 및 인도네시아와 군사교류 협력 다져". Ministry of National Defense of Republic of Korea. 2010-08-10. http://bemil.chosun.com/nbrd/bbs/view.html?b_bbs_id=10032&pn=1&num=316.
- ^ a b c d e f g h i j k l m Wilk, Remigiusz (March 2010). "Infantry Weapons: The Future Beckons for Asia". Asian Military Review. http://www.asianmilitaryreview.com/CurrentIssue/dl.php?filename=201003140001071.pdf. Retrieved 2010-06-18.
- ^ a b c Ivan Gale (27 May 2010). "UAE buys rifles from South Korea". The National. http://www.thenational.ae/apps/pbcs.dll/article?AID=/20100527/BUSINESS/705279926/1042.
- ^ a b c http://world.guns.ru/assault/as98-e.htm
- ^ http://www.hani.co.kr/arti/science/kistiscience/305090.html
- ^ http://www.armyrecognition.com/south_korea_korean_army_light_heavy_weapons_uk/k11_advanced_individual_weapon_system_assault_rifle_s_r_daewoo_south_korea_korean_technical_data_fr.html
- ^ "Back to the Drawing Board for Korea's New Assault Rifle". The Chosunilbo. 7 March 2011. http://english.chosun.com/site/data/html_dir/2011/03/07/2011030701384.html.
- ^ http://www.chosun.com/site/data/html_dir/2008/12/12/2008121200878.html
- ^ http://kookbang.dema.mil.kr/kdd/HearTypeView.jsp?writeDate=id&writeDateChk=20080930&menuCd=3004&menuSeq=1&kindSeq=3&menuCnt=30911
- Infantry Weapons: The Future Beckons for Asia (Asian Military Review article)
- Modern Firearms - K11
- S&T Daewoo Homepage
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