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Operators Manual
UMP45 (.45 ACP)
UMP40 (.40 S&W)
In a world of compromise, some don’t.
HK UMP
Submachine Gun
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CAUTION: Read the safety rules before handling the UMP Submachine Gun! UMP Universal Submachine Gun Operators Manual .45 ACP .40 S&W © Heckler & Koch, Inc., 10/1999, Revised August 2000 All rights reserved HK, Inc., 21480 Pacific Blvd. Sterling, Virginia 20166-8903 United States of America Telephone (703) 450-1900 • Fax (703) 450-8160 www.hecklerkoch-usa.com Specifications and models subject to change without notice.
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TABLE OF CONTENTS Safety Rules on the Use of the HK UMP Submachine Gun ................6 General ................................................................................................8 Assembly Groups................................................................................10 Description of Assembly Groups ........................................................11 Assembly Group 1 Upper Receiver with barrel, folding buttstock and attachment components ..........................
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TABLE OF CONTENTS Major Cleaning ..................................................................................33 Operator Inspection ............................................................................34 Lubrication ..........................................................................................34 Special Use and Maintenance of HK Sound Suppressed Weapons ..35 UMP with Quick Connect Sound Suppressor ....................................36 Ammunition ........................
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UMP SAFETY RULES Safety Rules on the use of the HK UMP Submachine Gun Clear the weapon! Before handling the weapon, “clear it!” Do so by: • Make sure fingers are outside of the trigger guard and the weapon is pointed in a safe direction at all times! • ON SAFE – Rotate the safety/selector lever to the “Safe” position. (With the safety/selector lever set at the white box with a white bullet symbol inside. See illustrations on page 12). • REMOVE MAGAZINE – Depress the magazine release lever and r
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UMP SAFETY RULES to fire. • Never point the submachine gun at anyone during handling. • Always point the submachine gun in a safe direction. • Before handling and before cleaning it has to be checked to ensure that: - The bolt is locked to the rear - The submachine gun is unloaded (cartridge chamber empty) - The barrel is free of obstructions - The magazine is empty. • Keep your finger off the trigger when loading, unloading or otherwise handling the submachine gun. Always place the trigger f
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UMP SUBMACHINE GUN General The UMP Submachine Gun is a select-fire small arm manufactured according to the latest standards of manufacturing methods. The upper receiver, lower receiver, magazine, and folding buttstock are made of high strength polymer. The UMP allows single fire, limited bursts, or fully automatic fire to be fired from all positions. The UMP is a simple blowback operated weapon with fixed barrel. The UMP offers maximum safety and accuracy as it fires from the closed bolt posit
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GENERAL Fig. 2 UMP with buttstock open, right side view Fig. 3 UMP with buttstock folded, right side view Fig. 4 UMP with carrying sling, left side view 9
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UMP SUBMACHINE GUN Assembly Groups 1 Upper receiver with barrel, folding buttstock and attachment components 2 Bolt Group with recoil spring assembly, complete 3 Lower receiver with trigger mechanism, backplate and magazine well 4 Magazine For accessories see pages 15-16 Fig. 5 UMP Assembly Groups (4) 10
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DESCRIPTION OF ASSEMBLY GROUPS Assembly Group 1 Upper receiver with barrel, folding buttstock attachment components The upper receiver is produced using fiber-reinforced plastics and houses other subassemblies. The inside of the upper receiver contains metal guideways for the bolt group as well as attachment points for the lower receiver with magazine well and backplate. The barrel is inserted into and pinned to the upper receiver. The cocking lever of the weapon is located above the barrel. I
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UMP SUBMACHINE GUN Buttstock The buttstock folds to the right along the upper receiver, and with the stock folded, the UMP is only 17.72 inches (450 mm) long. The open frame-type design of the buttstock also enables the weapon to be fired with the buttstock folded. Pressing the catch releases the buttstock for folding. When folded, the buttstock engages on the catch located on the forward part of the ejection port. For unfolding, the buttstock is lifted off the catch. The buttplate has a rubb
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DESCRIPTION OF ASSEMBLY GROUPS The bolt group (Fig. 8 and 9) consists of: 1 bolt 2 firing pin spring 3 firing pin 4 extractor 5 firing pin retaining pin 6 recoil spring assembly, complete 6a guide ring 6b support Fig. 8 Bolt Group, assembled Fig. 9 Bolt Group, disassembled 13
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UMP SUBMACHINE GUN Assembly Group 3 Lower receiver with trigger mechanism The lower receiver houses the trigger mechanism with safety/selector levers, the backplate, the magazine well, magazine release lever and bolt catch. The forward portion of the lower receiver is hooked to the upper receiver. The rear portion is fastened to the upper receiver using a removable locking pin. The safety/selector levers are fitted on both sides of the pistol grip. The forward portion of the lower receiver ha
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DESCRIPTION OF ASSEMBLY GROUPS Fig. 10 Lower receiver with trigger mechanism, backplate and magazine well 1 Trigger 7 Trigger mechanism 2 Magazine release lever 8 Backplate 3 Magazine well 9 Buffer 4 Attachment lugs 10 Support for recoil spring 5 Bolt catch 11 Safety/Selector lever 6 Release lever 12 Trigger guard safe semi-automatic fire fully automatic fire Fig. 11a, 11b, 11c Positions of the safety/selector lever for safe, single fire, and fully automatic fire safe
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UMP SUBMACHINE GUN Assembly Group 4 Magazine The magazine housing is constructed from plastic. The transparent panels on the magazine enables its contents to be checked visually. The magazine consists of: magazine housing, magazine floor plate, follower, follower spring and locking plate. Fig. 12 Magazine, complete Fig. 13 Magazine, disassembled 1 Magazine housing 2 Magazine floor plate 3 Follower 4 Follower spring 5 Locking plate 16
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ACCESSORIES Carrying sling The carrying sling (Fig.14) enables the shooter to carry the UMP in any of several ways and ensures immediate readiness to fire from all carrying positions (see pages 43-44). Fig. 14 Carrying slingt Cleaning Kit The cleaning kit includes: 1 Transport case 5 Oil bottle 2 Cleaning patches 6 Bore brush 3 Cleaning brush 7 Patch holder 4 Cleaning rod with folding handle Fig. 15 Cleaning Kit Bruegger & Thomet Quick Connect Sound Suppressor To mount the suppressor, t
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HANDLING & OPERATION OF THE UMP Magazine Loader The magazine loader aids in the filling of magazines. Fig. 19 Magazine Loader Filling the Magazine • Grasp magazine. • Slide individual cartridges under the magazine lips one by one (Fig. 20). • Repeat this process until the required number of cartridges has been inserted or the magazine is full. Fig. 20 Filling the magazine NOTE: Loading more than the prescribed number or rounds (i.e. 25 cartridges in a 25-round magazine) will prevent the
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MAGAZINE Emptying the Magazine • Grasp magazine. • With your thumb, push cartridges forward out of the magazine into the palm of the other hand or • Grasp magazine and hold it with the points of the bullets pointing towards the bottom. • Use a piece of wood to slide the cartridges out of the magazine. Insertion and removal of magazine • Put the UMP on (Safe). • Insert magazine into the magazine well (Fig. 22). The magazine catch has to engage audibly in the process. Tug on the magazine to
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UMP SUBMACHINE GUN Starting Situation 1: No magazine is present in the weapon. The bolt is forward. • Put the UMP on (Safe). • Insert the loaded magazine into the magazine well until the magazine catch engages audibly. Tug downward to ensure it is properly seated. • The UMP is partially loaded and with the safety on. • Pull cocking lever backwards as far as it will go and let bolt snap back to its forward position. In the process do not ride the cocking lever forward. or • Pull cocking lever ba
