2Never point it at anything you are not willing to destroy.
3Keep your finger off the trigger until your sights are on the target.
4Be sure of your target and what is beyond it.
The fourth is the one that matters, and it is the one nobody puts on a shirt. This shop does.
Safety, training, licensing and paperwork. Nothing in this shop is about hardware, nothing is about a threat, and nothing is about anybody who disagrees.