B BrodyKane New member Mar 14, 2011 #1 ...materials and PSI? Hi me and my friends were going to build an air gun or paintball gun and were wondering what we should use to build the air tank and how much PSI to fill it to, some materials we might be using are: copper, steel, PVC and ABS.
...materials and PSI? Hi me and my friends were going to build an air gun or paintball gun and were wondering what we should use to build the air tank and how much PSI to fill it to, some materials we might be using are: copper, steel, PVC and ABS.