The law of guns in movies

[MT2008]

Originally Posted by Excalibur

I mean like you see a cop drawing his gun and then racking the slide to chamber a gun. It would have been tactically sound to have already chambered a round.

Hmmm, I really haven't seen that very much. Not enough to be a "law" anyway. Again, though, I know it's common to hear the sound of rounds being chambered or hammers being cocked when cops draw their weapons. But I don't recall too many movies where I can see it happening on-screen.