How to make a potato gun

This how to video gives you detailed instructions for making a potato or spud gun. The following materials are used in this tutorial: a 2" PVC pipe for barrel, 2" to 3" adapter, a coupling for adapter to chamber, 3" PVC pipe for chamber, a 3" to a 1.5" T section, an adapter from T section to ball valve, an adapter for cap, and an end cap.