Disclaimer: Spud guns are not toys. Check the laws in your area and several sites for proper building and firing procedures before attempting to build one. (My safety page) Never point a spudgun at something that you do not want destroyed. Treat it as a real gun and always use common sense when building or operating spud guns. I am not responsible for any of your actions inspired by this site. Putting a pressurized gas in pipe that is not designed for it, e.g. PVC, is extremely dangerous and could result in serious injury or death, even when done with caution.By using this site you agree to this disclaimer.