Does ne one know were to find these

[A damn fool]

Does ne one know of a good expansion chamber with the conector hole on the bottem.

[MC Escher]

i think the sherdan rd-1 and i think bob long has one out

[A damn fool]

Where do they sell them online, and how much would they be

[MC Escher]

i know 888paintball has some good ones. I ordered their winter catalogue and they were in there so check out http://www.888paintball.com