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1985年式7.62mm轻型冲锋枪(简称B5轻冲)是我国自行设计的第二代轻型冲锋枪,该枪质量小.结构简单.体积小.便于携带。该枪采用自由枪机式工作原理,惯性闭锁。筒式机匣加工便捷,成本低廉。采用30发专用弹匣.使用51式7.62mm手枪弹或64式7.62mm手枪弹.可进行单.连发发射。1985年式7.62mm微声冲锋枪(简称85微冲)是我国自行研制的第二代微声冲锋枪,该枪结构简单紧凑.质量小,全枪故障率低.射击精度以及微声、微光.微烟性能均较好。85微冲是85轻冲的变型枪.除采用较长的枪管和增加消声装置外.全枪结构与85轻冲基本相同.主要零部件可与85轻冲通用。该枪采用机械瞄具.也可配用光学瞄具或夜视镜。该枪配用64式7.62mm微声冲锋枪弹.也可使用51式7.62mm手枪弹.
1985 7.62mm light submachine gun (referred to as B5 light red) is China’s own design of second-generation light submachine gun, the gun is small in quality, simple structure, small size, easy to carry. The gun using a free-gun-type work principle, inertia atresia. Cartridge processing convenient, low cost. Use 30 rounds of special magazines. Use 51-type 7.62mm pistol or 64-type 7.62mm pistol. 1985 7.62mm Micronacoustic submachine gun (referred to as 85 micro-red) is China’s own development of second-generation micro-submachine gun, the gun structure is simple and compact. The quality is small, the gun failure rate is low. Shooting accuracy and microphonic, low light. Micro-smoke performance are better. 85 micro-red 85 is a light red variant of the gun.In addition to the use of longer barrel and the addition of silencers, all-gun structure and 85 light is basically the same as the main components can be light with 85 universal. The gun using mechanical sights can also be equipped with optical sights or night vision goggles. The gun is equipped with a 64-type 7.62mm micro-submachine gun. Can also use 51-type 7.62mm pistol shells.