i have opened it,,, jumped on it

i have an old co2 tank for a beer system that my Grandad had, its about 30 years old, i emptied it through the hammer valve and drilled it through but something in the valve got stuck in the cylinder, how would i get it out because the thread is brass with a silver coloured ring around the bottom an...

Ok i have now glued a quick connect into the front of my blowgun with a 1/4" hex nipple on it.

ok so far i have a co2 bottle which i have drilled out the hammer valve and put a 1/2" hexagon nipple to 1/4" and i have put a 1/4" elbow on it which leads to my 1/4" QEV and in the bottom of the blowgun was a hexagon nipple that went to a quick connect but since i dont have an air compressor i repl...

The only reason I can think of not to do this is because it would increase the pilot volume. (I don't know how good a reason that is though) Here's a compromise solution, fit a schrader valve to the blowgun and remove the core. This way, you can fill through the pilot (provided the blowgun is held ...

i need a 15mm QEV that can be filled via the tank?