Originally Posted by flowbob

pretty sure it can, ive never heard of the quadra though..ill look around and see for ya.

heres a little paragraph i found about it (it can run on co2)

JT Quadra™ paintball marker. The newest marker offerings from JT™ are here for 2005! Our top of the line begins with the Quadra™ marker. This fully programmable electronic marker has it all...an information center with High-Definition, Organic Light-Emitting Diode (OLED) Display Screen, Omni-Pressure™ (300-800 P.S.I.) Operating system (CO2/N2), Quadra-Vision™ (Count 'em, FOUR) Electronic Monitoring System.