Not true any more (50 cal AE, etc), but the line I heard was, "Because they don't make a 46 cal. ACP. 
Smokey and the Bandit? Maybe?It's hard for me to talk about this topic without smiling.
Anyone remember the old movie with Jackie Gleason in it. I think it was cannon ball run or something similar. Anyway, Jackie Gleason and his son are law enforcement. Jackie turns to his son and tells the son to give him his weapon because Jackie is going to shoot at (Burt Reynolds?). Anyway, Jackie takes aim and.....click. Jackie realizes that the gun does not have bullets in it. Jackie asks his son why there are no bulltes. The son replies, "but daddy, it get too heavy when I put bullets in it."
... back to your regular programing.
... I want a 12 gauge hand gun. :]
So you'd rather hit the Bad Guy in the arm with a .45 than in the forhead with a 9mm??i would rather have an ill placed 45 than a placed 9mm...