He must have been using a .223, it's well documented that even an ordinary pack of cigarette's in a shirt pocket has completely stopped 55 grain .223 bullets at 300 yards and beyond with great regularity.
Well Documented & Great Regularity Love the choice of phrasing sounds like you are aware of a secret operation experimenting on ways to rid the world of smokers LOL. Sorry but it just struck me as funny in my own warped way.
I read the OP post and immediately thought of the Myth Busters episode. I was a bit surprised at their results.
