I played half the day with the KP on Co2 and it worked flawless. The gun was super consistent and pretty quite on Co2. The pump stroke is next to nothing with the super light main spring. I did not have any issues with co2 so I guess I will stick with it. Plus I just scored a extra 8oz tank for free.
COBRA G7,Blazer,2000 LCD Angel Pump,2k1 Dark Angel,DM4,Eblade,Grey Ghost,PGP,2006 Grey Ghost,BLong Cocker,Cobra Mamba FLY,Euro Angel,2k1 Cobra SS LCD,Rev-i.