Bureau of Sabotage
The Liberator was shipped in a cardboard box with 10 rounds of .45 ACP ammunition, a wooden dowel to remove the empty cartridge case, and an instruction sheet in comic strip form[4] showing how to load and fire the weapon. The Liberator was a crude and clumsy weapon, never intended for front line service. It was originally intended as an insurgency weapon to be mass dropped behind enemy lines to resistance fighters in occupied territory. A resistance fighter was to recover the gun, sneak up on an Axis occupier, kill or incapacitate him, and retrieve his weapons.
The Deer gun was loaded by removing the barrel and placing a 9 mm cartridge in the chamber. The striker was then cocked, and a small plastic clip placed around the striker to impede the forward motion of the striker to prevent accidental discharge. The barrel was then screwed back onto the receiver. The gun was fired by removing the plastic clip, placing it on the barrel where it would become the sight, and pulling the trigger. At this point the user would take the victim’s equipment if opportunity presented itself, and then flee. Later, the user would reload the gun by unscrewing the barrel and ejecting the spent case with the provided barrel rod, and follow the outlined procedure.