When you make non gunpowder weapons at home, you are usually restricted to single shot contraptions or manual repeaters at best. But of course the ultimate goal is to build a full auto machine gun style weapon! That is by no means very easy. Muscle powered weapons are simply not quick enough for a true Brat-a-tat action. Gas powered engines are too heavy and clumsy for a portable weapon. Of cou
![A Dream Came True: Home Made Full Auto Crossbow!](https://cdn-ak-scissors.b.st-hatena.com/image/square/e0938dd70910fed7407cec6b6475bb8cc2ff4b24/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FtbKGjRoSofA%2Fhqdefault.jpg)