If I recall my Sherwood Magnum's IP was set at 135.
I'm don't think there's a difference between Sherwood's Piston 1st stages btw models, it's just the second stages that are different; but I could be wrong.
I'm don't think there's a difference between Sherwood's Piston 1st stages btw models, it's just the second stages that are different; but I could be wrong.