It had some kick, the first time we shot that it almost knocked me down and it bruised the redheaded guys hip. But it was awesome!

What do you think could be done for improvement.

3" tank, approx. 5' long
2"barrel, approx. 5.5' long
2 inch diaphram valve
over under design, tank is choked down to 2" then a 180 degree turn to the valve.

It may be seasonal, but what I found that works very well. Walnuts right of the tree work great, especially if you have a barrel knife. The walnut has flesh around it. When its shoved down the barrel, excess is cut off leaving an airtight seal and a rock hard core. At 125 psi I can put one through a...