, Chamber then barrel or Chamber on the bottom and barrel on top,

@Gun freak you are right my friend, I tried loctite 5 min epoxy and didnt have good luck with it.

@ Matty zip, you can cut it off and put on a new one, But I had the exact same probelm your having , I put mine under water and plugged it with jb weld and hit it with a heat gun to fill in the cracks, Next i took my vacum cleaner taped it on the open end of my cannon and let the vacum suck in the j...

Sch 40 2.5 inch is easy to find depending on where you live,I use it for my tennis ball barrel

@ Gidney ,I recently built a tennis ball cannon, i only get about 120-130 feet out of it but still plenty of fun.Couldnt get any further all around the same distance each time.

Message me in private if you need help

Caulking tubes are the way to go!!!!!

@ GUn Freak, I had it marked out at a private range, it went 450 yards no problem

Caulking tubes work great!!!, Sometimes you have to put a baggie behind them for an air tight seal but the front ends work great. If you take out the dried caulking and fill with plaster and shoot them that works as well.

I've had them go well over 450 yrds!!!!

Its funnny, i made one like that one time way before i really got into spudguns. I sprayed carb cleaner into it, blew up into a million pieces was loud as hell but still the funny, the potato still went about 50 feet .

@ wyz what size pipe do you need to shoot water bottles?, sounds like fun

How were you able to put up pictures like this every time I do it, it doesnt wanna download,

I have an air cannon but might end up putting a youtube video up to show my gun, any ideas?

@Gun Freak Air powered I know there is many forums on that topic but don't want to put it in the wrong area

Yea Mr Mcrowley ,We were just messiing around.I had no where else to shoot it at, So i pointed the cannon at the garage and set it off, We didnt even have it at a very high psi, I didnt think my gun had that much power for being air powered, He was ticked but we both laughed at it. P.S. I have some ...

I shot a d battery through my neghbors garage taking out a window of the car inside, We didnt think it would go through.

OK, i see what you mean Edit by Moderator (MrCrowley): Don't double post (i.e., do not post replies consecutively in the same topic, edit your previous post or wait for another member to reply). Why did you post two posts in a row a few minutes apart which say more or less the same thing? I understa...