弹丸(ball),又称弹头(bullet)、子弹、铅子,是由铳器或投石绳发射出来的动能抛射物。普通的弹丸不会含有爆炸物质,直接以冲击穿透的方式杀伤目标。[1]
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Naseby_musket_balls.jpg/640px-Naseby_musket_balls.jpg)
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Minie_Balls.jpg/320px-Minie_Balls.jpg)
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Bullet_coming_from_S%26W.jpg/640px-Bullet_coming_from_S%26W.jpg)
历史
中国最早由火器射出的弹丸可能是由宋代时的竹制突火枪或火筒射出的子窠。但子窠实际上是什么却不清楚。[2]
《神器谱》中记载鸟铳弹为铅弹,以两扇石制弹模铸成。以称作铅弹袋的布制袋装弹丸。[4]
参考
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