Master of Paint said:Anti-siphon. Definately
This assures that NO liquid Co2 gets to your internals no matter how fast you fire. An expansion chamber will not work as desired at high ROF.
In case you didnt know an antisiphon tube is a tube that is put into the tank. It is bent upwards so that no liquid co2 gets sucked into it. (c02 tanks are only 3/4 of the way full of liquid when filled)
So imagine taking a soda bottle and tilting it sideways...kinda like that, with a tube bent towards where there is no soda. thumup: