Combustion Comparison
This is a list of two materials and their pros and cons
ABS
Pros______________________Cons
-Strong____________________-Not pressure Rated
-Durable
-Doesn't crack in cold weather
-Chemical Resistant
PVC
Pros___________________________Cons
-Pressure Rated_____________________-Weak in cold weather
-Easy to find________________________-Non-chemical-resistant
My Personal Choice for a Combustion Connon is ABS because you can use it in the winter, with any fuel, and if you get mad or run out of ammo you can hit people with it. You can choose PVC if you want but beware of the Cons.