So I was watching Die Hard 2 tonight whist I had nothing better to do (supposedly) and I noticed something. John MacLaine: "He had a Glock 7! Do you know what that is? It's a porcelain gun from Germany that doesn't set off metal detectors and costs more than you make in a month!" So after a bit of a laugh, I thought this would be fun... So what's your "favorite" Hollywood gun screw-ups?