Using a level 7 bolt with a red spring will result in a higher operating pressure in the chamber. A higher pressure will probably exceed the pressure release of the regulator piston assembly so the pressure will never get high enough to push the bolt.
I see you have the problem fixed by altering the reg piston assembly. If the problem persists, try the valve with a standard level 7 bolt spring.
As for the leak out the front, you may need to replace the powertube oring and/or use a shorter spacer. This is of course, if the problem is in the powertube and will stop when you hold the trigger in? If the leak doesn't stop when you hold the trigger, then the problem is in the on-off area.
Last edited by athomas; 01-10-2010 at 08:29 AM.
Except for the Automag in front, its usually the man behind the equipment that counts.