Airsoft GI drops the price for the Elite Force/Umarex H&K UMP .45 AEG made by Ares Airsoft... "The Umarex H&K UMP .45 Elite Next Gen AEG Airsoft Gun By ARES is one of the top-of-the-line universal submachine guns being offered by Umarex and Elite Force. Heckler & Koch developed the UMP in 1999 as the successor to the famed MP5 SMG, offering more power in a lighter, more affordable design.