My range was founded in 1916 and has never had a gun related accident. It is a small range and we have noone but ourselves, about 450 members, to monitor and correct each other. If anyone gets more than two reports of poor safety or gun handling problems, they are brought before the board and monitored for some length of time to remain as members. Guests are welcome but the member is responsible and can lose privilages if they get out of line.
We sponser IDPA and pin shoots that are open to the public and the rules are explained quite clearly before all competitions. We're not afraid to correct someone when it's a matter of safety.