Drail is correct..
I just had this problem and posted pretty much the same question you did on Single Actions.com. Check under double actions and you will find my post and someones VERY helpfull answer and picture instructions on how to fix this common problem.
Take care!
Chris
Yea Jamie I believe you! My Wife won't let me shoot my M629 in the basement cause she's afraid a ricochet might hit the hot water tank or the furnace! HeHeHe