How do these situations usually go down? On videos of gunfights, I never see the police or anyone do a simple double-tap and the threat is eliminated. Usually there is a lot of rounds expended.
John, The human body has a mass of good things in it that cause death, or at least a slow down of aggression, when hit by bullets.
Unfortunately most of these organs and arteries do not cause this death, or even any signs of being hit, right away.
So in reality, a close up attacker has to be basically shot to the ground!
A lucky hit (a lot of luck in hitting a target four plus inches of brain, and/or a hit on the top 4" of spine) into the CNS is required to switch off the body's computer, and then an instant collapse.
Even a hollow point hit that cuts a major artery in half, can take up to a minute to drop the blood pressure to a level to cause cease and desist.
Sixty seconds is a big slice (slice? no pun intended) of time for a close up attacker armed with, for instant a knife, to slice you and dice you.
You can fire 5 or 6 rounds in around 2 seconds! One attacker, leaves you a further supply of ten rounds or so for a brother, or close associate of this now dead or dieing criminal, to engage you. It could happen, even though statistically it is not very likely.
How does this sound, RULES OF A GUN FIGHT... There are no rules, maybe one, have a gun!
Starting out with 16 in the pistol seems like a nice security blanket to me, even if, like the majority of CCW pistol toter's, we carry and never fire our weapons in anger, ever.
and 
to show the silliness of questioning your carry methods based on the premise of the OP. I was not intending to question your choices. To the contrary.
