Elsewhere, @Glenn E. Meyer quoted Bill Wilson having said in a magazine article:This prompted a couple of responses agreeing and disagreeing with that concept. So I'm throwing this out for discussion - how old and slow is too old and too slow to carry responsibly?Finally, Bill suggested this: “Train frequently with your chosen carry gun. If you can’t draw from concealment and place a hit into an 8-inch area, from 10 yards, within 2.5 seconds, shooting full-charge ammo, you probably shouldn’t carry a gun for self-protection.”