Possession of a Machine Gun is the act of owning, holding, or using a machine gun, which is a type of firearm that fires multiple rounds of ammunition from a single magazine with a single pull of the trigger. Possession of a Machine Gun is illegal in many countries and is heavily regulated in others. There are two main types of Possession of a Machine Gun: legal possession and illegal possession. Legal possession of a machine gun typically requires a permit, background check, and registration of the firearm with local law enforcement. Illegal possession of a machine gun is illegal in all jurisdictions and carries a range of severe criminal penalties.