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The S&T Daewoo K11 DAW (Dual-barrel Air-burst Weapon)〔http://www.sntdaewoo.com/template/html/company/S&Tdaewoo_eng.pdf〕 is a multi-weapon resembling the earlier US Individual Objective Combat Weapon in concept, design and operation. It consists of two separate weapons combined into a single unit: a lower assault rifle chambered to fire 5.56×45mm NATO rounds, and an upper 20x30mm (caliber of shell x length of propellent case) grenade launcher firing both conventional and air-bursting "smart" grenades, along with its integrated digital sighting unit.〔 ==History== The K11 was officially unveiled to the public at the DSEI military expo, though information pertaining to its development has been available since 2006.〔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〕 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 May 2010, the United Arab Emirates purchased a quantity of 40 K11s for evaluation purposes for a total cost of US$560,000, giving an indicative unit cost of US$14,000. 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.〔(【引用サイトリンク】title=Back to the Drawing Board for Korea's New Assault Rifle )〕 South Korea's state procurement agency, The Defense Acquisition Program Administration (DAPA) said it has fixed the defects by modifying the designs and improving the shooting control system and will resume its production.〔https://www.koreatimes.co.kr/www/news/nation/2012/07/205_115710.html〕 A total of 4,000 K11s were to be produced with all to be fielded by 2014.〔(S&T Daewoo K11 DAW (Dual-barrel Air-burst Weapon) ) - Thefirearmblog.com, 3 October 2013〕 In September 2014, a major defect was found in the fire control system of the K11, which suspended production as well as use of the 900 rifles distributed to the Army. The Agency for Defense Development says a solution will be implemented on a large scale before the end of 2016.〔(South Korea to complete upgrade of faulty K-11 dual-barrel assault rifle by 2016-end ) - Armyrecognition.com, 30 July 2015〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「S&T Daewoo K11」の詳細全文を読む スポンサード リンク
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