How can it move...the MB is pretty far away from your PAP, the Pin (as T-God pointed out) will make the ball roll end over end and the most important thing:
It's got to have a large amount of negative weight. It would have to be about 1.5 to 2.0 oz's considering the CG shift and the weight hole...*UNLESS* it was a miss-marked CG. Take it back to the driller and first ask him to weigh it...then if it's legal and not negative tell him the problem / try and figure out why he drilled it the way he did.
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-Chris: DJ's Pro Shop : Auburn, MA