Hey guys, I'd like to build a semi auto air rifle, however I have a few question. I'm planning on using a qev as my main valve and a slide valve to pilot it. As for the ammo I'm going to machine a tee piece loader with a dent in it. For the barrel I'm looking to go 6mm. I'm wondering for the best fl...

I want to use normal air instead of co2, but I heard that the soda stream valve in the canister is one way? How would I go about refilling it and attaching it to a Qev or slide valve? Is there a replacement valve that will fit with standard gun plumbing? The soda stream canister thread is 5/8 18 UNF...

Should I bother hacking one of these up or just use a slide valve for the pilot? I'd like to go semi or fully auto. Also do I need a ball valve between the sodastream canister and the Qev or slide valve/spray gun? From what I've read they're rated to 150psi but can handle more? I'm planing on using ...

As a pilot for a Qev, sorry I'm a bit of a noob when it comes to pneumatics.

Thanks for the quick reply.

I'm looking to make a gun with a sodastream canister too. Any ideas on refilling?

Hey guys, I was wondering if it was possible to use a paint spray gun? I used the search bar, found out that you can use tyre/air pressure guns however I couldn't find anything about paint spray guns. I'm mainly interested in if you can remove the nozzle on the end and replace it with a 3/4'' fittin...