SpudFiles

Hello everyone!
School's out and I've been thinking about building a spudgun for quite a while now. However, I have a couple of newbie questions that I haven't found an answer for and I hope you guys can help me out. The only experience I have with DIY'ing is that time I made a piece of toast.

But anyways,

http://www.instructables.com/id/25MM-Pn ... e-Chamber/

I am a bit confused as to how the quick disconnect is threaded into the barrel. All the quick disconnects I have seen don't have the exposed threads sticking out of the end like the author does. eg.

Anyone have a clue as to what I should be looking for for this component?

Also, would this sprinkler be suitable for the project?


And lastly, my ultimate newb question... How would I power this? They list the power source simply as compressed air, and I am nor sure that the schrader valve on my track pump would fit the quick connect. Is there any suitable coupler I can stick onto the bike pump to make it work with this?
Would something like this fit?

Terribly sorry for being unfamiliar with all this. Thanks, guys.

If you're charging it with a track pump, just buy this directly instead of the quick connect:

Also, would this sprinkler be suitable for the project?

3/ref=sr_1_9?ie=UTF8&qid=1370745357&sr=8-9&keywords=sprinkler+valve

Should be.