What’s the actor going to check? How heavy it is? They don’t have a clue.

If by “check” you mean somebody who is an expert or is informed by experts makes a judgement about the weapon and announces it, that happened.

Court submissions say assistant director David Halls did not know the gun contained live ammunition, and indicated it was unloaded by shouting “cold gun!”

The armourer who provided the weapon did receive a manslaughter conviction. It was their responsibility, and they either screwed up or let themselves get bullied into screwing up by the asshat AD.

It is revealed assistant director David Halls had been sacked from a previous production, war drama Freedom’s Path, over gun safety violations in 2019.

abcnews.go.com/US/…/story?id=98268586

He was sentenced already for negligence.