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The L9A1 51 mm light mortar was a man-portable mortar system used by the British Army. Smoke, illuminating and high explosive bombs are available. A short range insert device allows the weapon to be used in a direct fire mode. The 51 mm mortar, which replaced the World War II-vintage 2 inch mortar, was due to be phased out by the use of the 40 mm L17A2 UGL (under-slung grenade launcher) mounted on the L85A2; however operational experience has led to the decision to replace it with a 60mm Mortar.〔(【引用サイトリンク】title=Contract Notice Supply of 60mm Mortar Barrels )〕 The M6-895 60 mm Mortar has been procured as an Urgent Operational Requirement (UOR) to replace the current 51 mm Mortar on current operations.〔(【引用サイトリンク】title=British Army Vehicles and Equipment )〕 Ammunition for the 51 mm mortar has a small, ring-pull safety pin on the side of the nose-fuze. The fuze remains unarmed until the pin is withdrawn. Therefore, the safety pin must always be removed and discarded before a mortar shell is fired. ==Specifications== *Calibre: 51.25 mm (2.02 in) *Weight: * *Complete: 6.275 kg (13.8 lb) *Length of barrel: 700 mm (27.5 in) *Range: 750 m (820 yd) *Rapid rate of fire: eight rounds per minute *Bomb weight: * *Illumination: 800 grams (1.76 lb) * *Smoke: 900 grams (1.98 lb) * *High explosive: 920 grams (2.03 lb) 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「L9A1 51 mm light mortar」の詳細全文を読む スポンサード リンク
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