First, open up the gun. It should like this

Next, take the plunger and dremel another hole on the side.

Then, take about 6 inches of 1/2" sch 40 pvc and glue and/or tape it to the top of the plunger. I reccomend using the glue.

Now, put it all back together, make sure evrything is in place

The Finished Product:

And that's it. Ranges are between 30 and 40 feet. Comments? Questions? Suggestions?
Edited by nerfer75, 09 March 2008 - 12:50 PM.