I have never been to a range where there was anybody else shooting. But going on Firearm rule #1 I would consider the range "hot" at all times, as " All guns are always loaded, ALWAYS".
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety - Benjamin Franklin
Light is faster than sound. This is why some people appear bright unitl you hear them speak!
They should have stopped with "Congress shall make no Law...