Originally Posted by KirStang

Wild guess: Shotguns are generally less expensive and less regulated than pistols. In most jurisdictions, I can pay cash and carry a shotgun out the door, but not a pistol. Thus, if I wanted concealable firepower quickly, I can buy a $300 shot gun, illegally saw it down, and use it to rob my local 7-11 (All in the same day! =D).

(Note, this is only hypothetical...)