问:半自动步枪是如何自动抛壳和装弹的? 答:这个问题并不难,它其实是枪械的一个基本原理。当人们扣动自动步枪的扳机后,击锤打击击针,撞击枪弹底火,从而点燃发射药,发射药产生的火药气体推动弹头沿膛线向前运动,当弹头一经过导气孔,部分火药的气体就通过导气孔涌入导气箍,向后冲击活塞,从而推动推杆,使枪机向后运动,枪机一边压缩复进簧,一边完 Q: How automatic semi-automatic rifles throw shells and shells? A: The problem is not difficult, it is actually a basic principle of firearms. When people pull the automatic rifle trigger, the hammer hit the firing pin, hit the bottom of the fire bullet, thus igniting the propellant, propellant gun propellant gas propellant warhead along the rifle forward movement, as soon as the warhead through the air guide hole, part of the gunpowder gas Through the guide hole into the gas guide hoop, the impact of the piston backwards, so as to push the push rod, the bolt movement backwards, one side of the compression bolt retraction spring while