To turn that USC into a 9mm UMP, you must perform a caliber and furniture conversion. H&K USC: Civilian Version of the UMP Submachine Gun
The journey begins with the (Universal Self-loading Carbine), which is the factory-legal civilian version of the UMP. buy ump 9mm
For a civilian looking to acquire a 9mm Heckler & Koch UMP, the "story" is one of patience and technical transformation. Because the true full-auto UMP was introduced in 1999—well after the 1986 ban on newly manufactured machine guns for civilians—you cannot simply buy an original factory UMP 9mm for personal use. To turn that USC into a 9mm UMP,
: You can find these at major retailers like Palmetto State Armory or on secondary markets like GunBroker . 2. The Transformation: Conversion Kits Because the true full-auto UMP was introduced in
: The USC is typically chambered in .45 ACP and comes with a 16-inch barrel and a fixed thumbhole stock to meet import regulations.
