The Rheinmetall Rh-120 is a 120 mm smoothbore tank gun designed and produced in former West Germany by the Rheinmetall Waffe Munition GmbH company. It was developed in response to Soviet advances in armour technology and development of new armoured threats.

德国 是继 苏联 之后第二个研制 滑膛炮 作为坦克炮的国家，现今此种坦克炮已成为西方以至全世界标准坦克炮。 此坦克炮口径为120毫米，可分成早期型44倍径的L/44型，和后期型55倍径的L/55。 Rh-120滑膛炮的炮管采用 电渣重熔 制造技术，炮管内壁镀 铬，炮管上有排烟器。 早期型的L/44在使用寿限内可发射650发炮弹，火炮后方采用直立楔式炮尾结构。 为了进一步提升Rh-120的威力，莱茵金属公司在L/44型号的基础上研发出加长火炮身管长度至55倍径的L/55型。

The IMI 120 mm gun is an L44 smoothbore tank gun designed and produced by Israeli Military Industries (IMI). It is widely confused as a licensed production of the Rheinmetall L44 tank gun, however it was developed by IMI from 1983 to 1988, to meet the requirements of the Israel Defense Forces ' Merkava Mark III main battle tank , i.e. a ...

120mm technology has progressed to be the world’s most innovative and established main battle tank armament within the armed forces of Germany, NATO and other friendly nations.

The 120-millimetre (4.7 in) gun has a length of 5.28 metres (17.3 ft), and the gun system weighs approximately 3,317 kilograms (7,313 lb). By 1990 the L/44 was not considered powerful enough to deal with the future Soviet armour, which stimulated an effort by Rheinmetall to develop a better main armament.

2018年8月6日 · 目前日本最新的坦克是10式主战坦克，这款坦克使用了莱茵金属的120mmL44滑膛炮，由于日本并未拥有贫铀弹技术，所以穿甲弹能力是不如K2装备的120mmL55炮的，10式可使用日本90年代引进自德国的DM33穿甲弹，并加以改装，变成日本版的JM33穿甲弹。 在1000M距离上JM33穿甲弹可以击穿600毫米垂直均质钢装甲板 ，改用55倍径滑膛炮发射穿甲能力提升到 630毫米垂直均质钢装甲 。 JM33在2000M距离上确实可以打穿550毫米垂直均质钢装甲。 然而韩国 …

2021年2月18日 · 從彈藥來看，日本方面應該至少仿製過dm33型尾翼穩定脫殼穿甲彈，日本版型號是120mm tkg jm33裝弾筒付翼安定徹甲弾，以及dm12a1型多用途破甲彈，日本版的型號是120mm tkg jm12a1対戦車りゅう弾。

此坦克炮口徑為120毫米，可分成早期型44倍徑的L/44型，和後期型55倍徑的L/55。 Rh-120滑膛炮的炮管採用 電渣重熔 製造技術，炮管內壁鍍 鉻，炮管上有排煙器。 早期型的L/44在使用壽限内可發射650發炮彈，火炮後方採用直立楔式砲尾結構。 為了進一步提昇Rh-120的威力，萊茵金屬公司在L/44型号的基础上研发出加長火炮身管长度至55倍徑的L/55型。 L/55的身管长度由L/44的5.28米增至6.6米，L/55型可以兼容發射原本L/44型的所有炮彈，亦可发射专门适配其的DM53/63/73 …

Maximum range of the Rh-120 is about 3 km with APFSDS ammunition. The rate of fire depends on the loader. 10 rpm is quoted, with that rate dropping off as fatigue increases and ready rounds are spent. Original 120mm 44-caliber production model introduced on the German Leopard 2 main battle tank.

2021年10月5日 · 120mm. For the time being at least, 120mm remains the standard large direct fire calibre for tanks in the West, and indeed in much of the world other than those supplied by Russia and China. Commensurately, 120mm has seen some of the most active development, with new natures and weapons having been revealed recently.