What I am thinking now

Thank you now I might do that or still make a hammer valve. Now should I have a really tough spring a kinda tough spring like in the middle between tough and easy spring.

where can i purchase a qev and slide valve besides from ebay

What would you prefer?

Pretty much except that I will be using pvc as an air tank instead of a bike pump.

Also the "pin" is going to brake line so mine is a larger scale.

Edited by jrrdw, double post.

Hello guys! :D I am working on a new gun. I am going to be using air to power this gun. I want it to semi auto. So I will be using a hammer valve. I have drawn up an idea for a hammer valve. I want to know if this will work. I have a good hunch that this will but I just want some clarification. I wi...