Nelson and Dillinger
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Besides both being criminals, they shared something else: the type of gun they used.
THE LEBMAN 1911 MACHINE PISTOL
Lebman started with the standard .45 ACP caliber Colt M1911A1 semi-automatic pistol as used by the US military in World War 1 and made it into something quite different—he modified the action and trigger group to allow for full-automatic fire. The firearm was not select-fire but full auto only with a cyclic rate of 1000-rounds per minute. To help control this little dragon’s flame he added a sevDillingers Lebman machine pistol.en-ported extended compensator to the muzzle that forced the barrel down as it fired.A Thompson 1928 style finger-grooved fore grip was added just forward of the trigger guard on the bottom of the frame to allow both hands to be used to steady the weapon. With its standard 7-round magazine capable of being exhausted in just the blink of an eye, an extended magazine was fitted that extended about nine inches from the handgrip. Some of these weapons were upgraded in caliber to .38 Super Automatic. The round, invented in 1929, was similar in size to the .45ACP yet pushed a smaller 130-grain bullet at a blistering 1,280 ft/s. The 45ACP versions used an 18-round extended magazine, while the .38 Super used a 22-round version.
Five guns were made and sold to Nelson, who Lebman knew under the alias James Williams.