A machine pistol shares several properties of the
semi-automatic handgun and the
sub-machine gun. Machine pistols are ordinarily clip-fed and self-cocking. Such a pistol is designed to be held and used in a single hand but almost requires always the use of both hands to control.
Common examples include the mac-10 and the mini-uzi, although the line between machine pistols and sub-machine guns is quite blurry...