Hey guys! I have built the P.A.C. 6 semi auto spud gun following the instructions from the website you linked. It was a fun and easy project, and the result was awesome! The gun can shoot potatoes at a high speed and with good accuracy. It has a simple and reliable mechanism that allows you to fire...

Have you thought about how the seals will hold up over time, or if any adjustments will be needed to handle wear and tear?