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我国52式57mm无后坐力炮、52式75mm无后坐力炮分别仿制美国M18 57mm无后坐力炮、M20 75mm无后坐力炮。随后,在52式75mm无后坐力炮的基础上进一步改进完善,1956年,改进后的产品被命名为56式75mm无后坐力炮。之后,又陆续改进成56-1式、56-2式75mm无后坐力炮。56式75mm无后坐力炮与52式75mm无后坐力炮的结构基本相同,主要区别在于开闩杠杆。56式75mm无后坐力炮将位于开闩杆上的短销式开闩杠杆改到右握把上,类似于自行车上的手闸,有利于开闩动作的完成。56式75mm无后坐力炮装备我军的数量较多,在中苏“珍宝岛”边境冲突中曾经投入实战使用。本文上篇介绍了52式57mm无后坐力炮,下篇则重点介绍56式75mm无后坐力炮的结构性能,射击操作及实战运用。
China 52-type 57mm recoilless gun, 52-type 75mm recoilless gun were imitation of the United States M18 57mm recoilless gun, M20 75mm recoilless gun. Subsequently, the 52-type 75mm recoilless gun based on the further improvement and perfection in 1956, the improved product was named 56-type 75mm recoilless gun. Later, they were gradually improved into 56-1 type, 56-2 type 75mm recoilless gun. 56-type 75mm recoilless gun and recoilless type 52 75mm recoil the structure is basically the same, the main difference is that open the lever. 56-style 75mm recoilless gun will be located in the open lever on the short pin open the lever to the right grip, similar to the hand brake on the bike, is conducive to the completion of the opening of the latch. 56-type 75mm recoilless gun equipped with a large number of our military in the Sino-Soviet “Treasure Island” border conflict has been put into actual use. This article describes the 52-type 57mm recoilless gun, the next chapter focuses on the 56-type 75mm recoilless gun structural performance, shooting operations and actual use.