Tell us about yourself!
It depends on the psi. The higher psi in the tank, the more air rushing out when the trigger is pulled.
PVC pipe works well as a substitute for a garden hose
How much pee can the mats absorb? And how much do they smell after that?
I don't mean to be mean or anything, I love your knife, but WHY did you have to take the barrel off of a M1??? That is my favorite military rifle! Couldn't you taken another rifle barrel and used the M1 for display?
Did you use anything to blow air in the air supply pipe?