It would be easier to with a rifled pvc barrel because it will work on the same principles as a regular gun that has a rifled barrel, more accuracy and distance and speed.

what does it mean when your gun is coaxial?

i plan on making more air cannons and my first one i built used a 3/4 inch sprinkler vavle and it didnt work so now i had to use a ball valve and it works just fine. But i am looking for more power and i want to build another cannon, one with a piston valve, and then maybe a homeade diaphragm valve ...

well only an idiot can do something like this to himself. First of all, black powder is used in guns, why do you think its only used in guns, because they can handle it. I do fell sorry for his family and his friends and him too bec he was stupid enough to do that. Why do you think that common prope...