Quote Originally Posted by TFOGGER View Post
According to the Tueller examples, 21 feet is well within dangerous range for a knife wielding assailant, and in my CCW classes, we proved this using blue guns and a stopwatch. One of the instructors (by no means an elite athlete) could cover 21 feet with a rolled up magazine "knife" pretty much before anyone in the class could draw the blue gun and bring it to firing position.

I have also seen this tried it with a friend at the range and know that 20-25 yards and in is definitely time to draw in a questionable situation where your life is in danger/perceived threat for me. especially with 3 guys.