The four golden rules to firearm safety:
1. All guns are always loaded.
2. Never let the muzzle cover anything you are not willing to destroy.
3. Keep your finger off the trigger till your sights are on the target.
4. Identify your target, and what is behind it. Never shoot at shadows and/or noises.
Learn them. Live them.
I would never allow a cooper jackwad on my range.
Don't run off downrange at the worst possible moment without checking with your rangemaster when the OSU - looking dudes you're sharing the range with are just getting back from having been downrange. (Guaranteed, someone of them is guaranteed to pick up a rifle and point it downrange at you and your kid.)
Sixth Rule of Gun Safety:
If you've ever broken rule number five, or plan on breaking rule number five in the future, (especially after having had the talk about who is taking whom shooting in front of witnesses), don't ever ask OKSooner to take you shooting again.
EV-ER.
(Could say more but let's not narrow it down too much...)