Elite Force HK UMP Competition Series Airsoft Gun Black. This HK UMP is great for any player wanting everything you need out of the box. Due to shipping restrictions we cannot ship airsoft guns to Washington DC Chicago IL Morehead NC New York NY and Philadelphia PA. To learn more about shipping restrictions visit the Umarex USA Shipping Restrictions page. Specifications for Elite Force HK UMP Competition Series Airsoft Gun: Manufacturer: Elite Force Gun Model: Heckler & Koch UMP Color: Black Magazine Capacity: 400 Round Velocity: 345 fps Projectile Caliber: .243 Caliber Package Contents: Elite Force HK UMP Competition Series Airsoft Gun What firearm models does the manufacturer say Elite Force HK UMP Competition Series Airsoft Gun is compatible with? The manufacturer says that Elite Force HK UMP Competition Series Airsoft Gun is compatible with Heckler & Koch UMPElite Force 2275001: HK UMP Competition Series Airsoft GunBlack