spudshot is right, these pneumatic cannons are not toys at all, if you want to use one of these for paintball you would have to use very low PSI's and one of those speed checker things (forgot what their called). that way you could see exactly how much fps these things are getting, and you could co...

Sorry, this may be a dumb question. But when you mod the sprinkler valve, I don't quite understand why the hose comes out of it. How is it used then? Ok, so you have inlet hole and outlet. Whats the one in the middle with the like air fill thing. The only guess I could think of would be that when yo...