anywhere from 700-1000 is a good choice. The input pressure is a tuning tool. the recharge time is better with higher input pressures. the velocity consistancy is better with lower pressures. I tend to run my mag at the low end, at 750psi.
You'd have to be Crazy to be sane in this world. - Nero
Omnipotence ain't all it's cracked up to be.......