thanks for the help. i just got my co2 filled and screwed it into my v/a and it was shooting pretty sweet. pretty fast but i did notice a little bir of blowback comign out my feedneck. and druid you mention a bob ong torpedo will work ? well it just so happens i have one on my spyder. but ive heard mixed opinions about it and co2 , shooting my spyder wit hthe torp it really didnt shoot very well.