Thanks for that jackssmirkingrevenge!

i can find the pipe ok just cant get the right endcaps and reducer to fit all the ones i found are the same size as the pipe so i would need a straight adaptor to make it fit which i dont really want to do. also has anybody had any experience with using a slide valve at the end instead of a screw-on...

Hello there guys n gals im trying to build myself a cannon but im having trouble finding the parts i need. i want to make it with a 4 inch combustion chamber and a 2inch barrel . but i cant find anywhere that does the parts like all the ones that the guys in the us have ! so does anybody from the uk...