I searched how to make a golf ball barrel and GB barrel and Golf ball barrel etc. I just got a bunch of crap saying things like "my new gun has a golf ball barrel" never instructions on how to make or what they used.

THanks though.

I'm making my first launcher. I have read some people with 1.5" barrels for golf balls. The 1.5 inch pipe i have will not fit a golf ball.
I also have a 2" pipe. What to do for golf balls?

I also got some canned foam to make pellets and or wadding.

The launcher's airchamber is a 3 foot long 4 ...