1960年,苏联在T-62坦克上安装了115毫米滑膛炮,开创了坦克滑膛炮的先河。自此之后,滑膛炮的动能穿甲弹和线膛炮的化学破甲弹展开了穿甲能力的竞争。西方阵营以英国为代表,崇尚精度高的线膛炮,以化学破甲弹为主要弹种。东方阵营的核心苏联则更看重炮弹初速,滑膛炮成了首选。不过 In 1960, the Soviet Union installed a 115-mm smoothbore gun on a T-62 tank and set a precedent for tank smoothbore. Since then, the kinetic energy of the smoothbore cannon has penetrated into the armor-piercing capabilities of armor-piercing ammunition and rifled chemical armor bullets. Western camp, represented by the United Kingdom, advocates the precision of the rifled gun, with a chemical armor-bullet as the main bullet. The core of the Eastern camp, the Soviet Union is more emphasis on the muzzle velocity, smooth-faced gun became the first choice. but