YES!!! Exactly what I wanted to hear!!! Alright, I constructed it very carefully, making sure to deburr, sand all edges before joining, cleaning and drying and even twisting upon joining. I only have holes drilled in the double layer of thickness. I will wear safety glasses for the first few rounds ...

I was hoping to hear that it would be OK...but everyone seems to stay away from it. I'm pissed cause I already got the thing almost done, but I think I might go ahead and rebuild out of SCH40 PVC just for the peace of mind. Man, that sucks.

Right, its like even if it does fail, its not like its gonna be a frag grenade or anything. From what I understand, ABS is a bit more forgiving when it fails. Thanks again for the replies.

Yeah I've seen that before. Looks like he was using a clay flower pot lol. I've been looking for videos of spud gun accidents and explosions and theres a lot of them, but most are of the caps flying off. I found one where it looked like an entire PVC chamber blew up...sorry I dont know how to link t...

Thank you for your replies, it is much appreciated. Are there any cases reported, or do you guys know of cell core abs ever failing? Besides just rumours...have you heard of several cases of it failing? there is a huge sprinkler supply house near me..pressure rated PVC is available to me..but I don'...

OK...I have searched and have not found conclusive info on this. I am building a metered propane combustion, and the only pipe in 4" I can find is cellular core ABS. I have it as my combustion chamber. I have read some people say its fine, while others say it will surely explode on you. If all I use...