Does anyone know how co2 pellet guns work?

[us sniper]

I was wondering if anyone knew how pellet pistols using co2 work. I have a pump rifle and I hat having to pump it up. I cannot find any plans on the internet.

[iPaintball]

They use hammer valves. A hammer strikes a pin that strikes a push button valve releasing the same amout of CO2 each shot

[us sniper]

Would it be easy to make a pistol out of copper using the co2 cartridges. Also is there anyway to make that semi-automatic?

[hi]

you could, but it would be very large and bulky unless you have a lathe, drill press ect. to make the parts smaller.

[jackssmirkingrevenge]

Would it be easy to make a pistol out of copper using the co2 cartridges. Also is there anyway to make that semi-automatic?

yes, it would be remarkably simple to make

[us sniper]

Does anyone else have any other diagrams? I also keep reading about the boss valve. Does anyone know about that?

[jackssmirkingrevenge]

I also keep reading about the boss valve. Does anyone know about that?

http://www.bryanandac.com/2240_variations.htm