Just re-read the instructable and the guy hasn't even drilled a hole at all! He has simply put the barb in the hole where the solenoid used to be.
Will this work as-well? Will the valve still work properly??

Does anyone have a picture, or would it just be easier to just buy a watermaster?

Hello all.
Just started learning about pneumatic guns and trying to understand how they work.
So I decided i'd build my first gun and use this tutorial to do it: http://www.instructables.com/id/A-15mm-Beginner--Intermediate-Pneumatic-Sniper-Ri/
I've purchased all the PVC (Pressure Rated of course ...