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Heckler & Koch UMP

Submachine gun


The HK UMP was developed as a successor to the famous MP5

Country of origin Germany
Entered service 1999 (?)
Caliber .45 ACP
Weight (empty) 2.3 kg
Length 600 mm
Length (with folded stock) 450 mm
Barrel length 200 mm
Muzzle velocity 285 m/s
Cyclic rate of fire 600 rpm
Practical rate of fire 30 - 80 rpm
Magazine capacity 10, 25, 30 rounds
Sighting range ?
Range of effective fire 100 m


   The Heckler & Koch UMP submachine gun was designed as a successor to the famous MP5 in the mid-1990s. The main goal was to design a lightweight and powerful weapon, which would be cheaper than the MP5. This weapon was aimed mainly at US law enforcement market. Its production commenced in 1999 and it is still produced. This SMG is in service with more than 20 countries. However this weapon could not surpass its predecessor in terms of popularity and proliferation.

   The HK UMP is a blowback-operated, selective fire weapon, fired from a closed bolt. Its first versions, the UMP-45 and UMP-40 were chambered for .45 ACP and .40 SW ammunition respectively. Later a UMP-9 version became available, chambered for 9x19 mm Parabellum ammunition. All versions have similar design, apart from the different chambering.

   The UMP can fire in semi-auto, full-auto, 2- or 3-round burst modes. Its fire mode selector is also acts as a safety lock. This fire mode selector is fully ambidextrous. Cocking handle is located at the front of the receiver.

   The HK UMP is available with 25- and 30-round capacity magazines. The UMP-45 is typically fed from 25-round capacity magazines. Other versions are fed from the 30-round one. It is worth mentioning that the .45 ACP and .40 SW versions use straight magazines, while the 9 mm version comes with curved magazines.

   This SMG comes with adjustable iron sights and also has a Weaver-type rail on top of the receiver, which is used to mount various sights. This submachine gun has an effective range of about 100 meters.

   The UMP comes with a side-folding buttstock, which folds to the right side. Weapon can be fired when buttstock is in folded position. Its accessory rail on the foregrip accepts a wide variety of equipment, such as tactical flashlights, vertical grips, laser pointers and so on. A silencer can be attached to the barrel.




   USC a semi-automatic carbine version, intended for civilian customers. It has a longer barrel and has a magazine capacity limited to 10 rounds. This version is chambered for .45 ACP ammunition.





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