I noted the stress lines on the expansion chamber. Closer investigation revealed that tube is not pressure rated at all so I will not be using it moving forward.

This is a shame because it's lots of fun to play with.

I've been lurking and reading through various builds to help me prepare for this build. The goal: A spud gun that will fit inside a guitar case that meets the standards set out for local paintball scenario games (fires a specific Nerf projectile at a maximum velocity of 150fps). The guitar case is m...

This is my first post in this forum but I have a fair amount of experience working on various paintball guns. One of the things you may want to look for is a used paintball marker on Craigslist or the like. You can find a cheap Smart Parts Ion where the electronics are shot for around $50 most of th...