Ok thanks for warning me!

Thanks. Is there any major difference between these two QEVs besides appearance? The black QEV has BSPT thread but the silver one has NPT. Would it be possible to put NPT pipe into the BSPT fitting (NPT is the standard in my country) ?

http://goo.gl/M1Lh9m

http://goo.gl/4KYc6u

Luckily, that was a typo! :) Those CO2 capsules look crazy destructive, but sadly I have no access to any empty ones. I think that I would be better off doing a 1/2 inch bore and using fishing sinkers for ammo. Is it possible to make a barrel sealing piston valve gun in all copper (with minimal bras...

Fist off, I would like to say thanks for your help. I think that a larger bore at close range is better for my situation. Also I cannot use glass marbles because with my luck I would end up with broken glass in my foot. Although I do have some 1/2 inch ball bearings laying around that would pack a p...

I am planning to build a 3/4 inch piston valve pellet gun, but I have a few questions regarding barrel size and ammunition. Although I have built a piston valve before I have never build a small one only a 2 inch one. •What are some different projectiles and corresponding barrel diameters that would...