If you are not familiar with the pepper ball gun, it is a projectile weapon that fires spherical shells filled with OC pepper spray. The pepper ball gun has been gaining in popularity in recent years as a non-lethal alternative to traditional firearms for law enforcement agencies. But what many people don't know is that the pepper ball gun also has a number of civilian applications. Here are just a few of the ways you can put the power of the pepper ball gun to work for you.