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What valve?

Posted: Wed Dec 03, 2008 8:42 pm
by Dgealy
I'm thinking of an airsoft shotgun that's run off of a Co2 tank in a backpack with a hose to the gun. It would be pump, but I've gotten that all figured out, i just need a valve.

I'm hoping to get a small valve and expansion chamber in the stock of the shotgun that is semi automatic. I'm thinking of a high pressure metal tank so I don't need too much of a large volume.

QUESTION: How do I make a semi automatic SMALL valve that works off a constant airflow. I don't own a metal lathe, so this might be difficult.