![How To Make A BB Machine Gun For $5](https://hight3ch.com/wp-content/uploads/2014/12/how-to-make-a-bb-machine-gun-for.jpg)
This DIY airsoft design is one of my all time favorite projects. It’s super inexpensive and can be put together in just a few minutes since it’s only made from two parts! A pen tube could be substituted as the barrel to make the project even less expensive, though a little less accurate. As with all airsoft guns, eye protection is required for safety!