Hi! This is John. Now, we’re going to be
talking about the O ring. What this means and what it does, as far as in relation how
your paint ball marker works. This fits in on the end of the tank here on the CO2 tank.
What this does, it has a seal with tank to the paint ball marker. As you screw your tank
in and you notice there is gas leaking or a hissing sound, more than likely what it
would be is a defective O ring. What you need to do is unscrew the tank, take it out, and
check and see how the ring is looking. In this case, this O ring is split. What you
need to do is just take this off. Then take a new O ring and install it where the old