A friend ask me to try and sell this for him, I dont know much about these newer spyders. I adjusted the reg. and it shoots properly. Weltz4u helped me with it. As far as i can tell your supposed to use compressed air with this gun, if you want to put co2 on it I'll leave that ball in your court.
The guy selling it said put it up for 200.00 but feel free to offer up on it, I'm just the go between guy on this deal and trades are also going to be looked at, I think he wants an ion