Michael Moore explains in some detail how, yes, he really did come out of that bank in Michigan with a free gun for opening a Certificate of Deposit account. He even references the ad the bank ran which caught his attention. Appararently, some folks have taken to saying he made that and other stories in Bowling for Columbine up. If you watched Bowling, you'll enjoy reading this piece in which he defends various passages of his award-winning documentary in great detail.