该枪依靠气压发射塑料弹头,弹头尾部有与枪身相连接的绳索,弹头内装有救生圈。当弹头进入水中后救生圈可自动充气打开。该枪的发射距离由其所带的绳索种类、发射瓶种类、气瓶气压等因素决定,可用于消防救援以及船只之间、船岸之间的绳索连接等。该发射枪采用折叠式枪托,枪身后部有压力表,可显示 The gun relies on air pressure to launch a plastic warhead. The tail of the warhead has a rope attached to the gun body, and a life buoy is built into the warhead. The lifebuoy can be automatically inflated when the warhead enters the water. The launch distance of the gun is determined by the type of ropes it takes, the type of launcher, the pressure of the gas cylinder and other factors. It can be used for firefighting rescue and ropes connection between ships and between ship and shore. The firing gun with a foldable butt, gun body rear with a pressure gauge, can be displayed