The things you notice sometimes.
I was watching Blood Simple last night, because it was on its final days of free availability on Amazon Prime. Early on in the movie, Abby (Frances McDormand) loads her revolver. As I’m watching, I think “Hey, didn’t it just say on the box those are blanks?”
I had to look it up. But, yes, it did.
I also wondered at the end (minimal spoilers) why nobody ever bothered to count rounds once the shooting started.