VFC UMP .45 ACP Gas Blow Back RIfle

The UMP (Universale Maschinenpistole, German for "Universal Submachine Gun") is a submachine gun developed and manufactured by Heckler & Koch. The UMP has been passed the combat test of U.S. military and adopted by various agencies such as the U.S. Customs and Border Protection, Heckler & Koch developed the UMP as a lighter and cheaper successor to the MP5.