When automatic pistols are empty, and the slide is to the rear, the trigger will not depress, and so there is no audible 'click' as is heard in ArmA III when this is done. This is a common 'arrow' in movies and other games, and it is understandable why it is being done in those cases. However, in a game like ArmA III, it is very inappropriate for such an easily remediable issue to persist. Players of ArmA III are in general more knowledgeable about firearms than the mean, and they not only will know when their piece is empty, but they will identify the clicking as an error on the part of the development team. It would be far better if the game accurately reproduced the operation of these weapons, rather than attempting to cue the audience with a trope that they are accustomed to seeing on TV (where the sound is added in post by a director who knows that automatics don't click like that).