Heckler And Koch HK USC Carbine 45 ACP Operators Manual
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® Operators ManualIn a world of compromise, some don’t. HK USC Carbine .45 ACP
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USC Universal Self-loading Carbine Operators ManualCAUTION: Read the safety rules before handling the USC Carbine! ® © Heckler & Koch, Inc., 11/99 (revised June 2001) All rights reserved HK, Inc., 21480 Pacific Blvd. Sterling, Virginia 20166-8903 United States of America Telephone (703) 450-1900 Specifications and models subject to change without notice. .45 ACP
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5 TABLE OF CONTENTS 4TABLE OF CONTENTS Troubleshooting Guide ......................................................................33 Carrying Sling ....................................................................................35 Sights ..................................................................................................36 Exploded Diagram and Parts List........................................................38 Specifications...
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7 USC SAFETY RULES 6USC SAFETY RULES • Before handling and cleaning the carbine check to ensure that: - The bolt is locked to the rear - The carbine 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 carbine. Always place the trigger finger outside of the trigger guard. • Never use force when handling, disassembling, cleaning and assembling the carbine. • Disassemble the...
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9 GENERAL 8USC CARBINE Fig. 2 USC (right side view) Fig. 3 USC oblique (rear, left side view) General The USC Carbine is a semi-automatic small arm designed and constructed according to the latest methods of advanced technology. The upper receiver, magazine, lower receiver, and buttstock are made of high strength polymer. The USC is a simple blowback operated weapon with a fixed barrel capable of semi-automatic fire. The USC offers maximum safety and accuracy as it fires from the closed bolt...
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11 DESCRIPTION OF ASSEMBLY GROUPS 10USC CARBINE Assembly Group 1 Upper receiver with barrel 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 the buttstock. The barrel is inserted into and pinned to the upper receiver. The cocking lever of the carbine is located above the barrel. It also serves to manually...
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13 DESCRIPTION OF ASSEMBLY GROUPS Assembly Group 3 Lower receiver with trigger mechanism The lower receiver houses the trigger mechanism with ambidextrous safety/selector levers, 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 guide rails in the pistol grip of the buttstock. The safety/selector levers are fitted on both sides of the pistol grip. The forward...
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14USC CARBINE 15 DESCRIPTION OF ASSEMBLY GROUPS Assembly Group 4 Buttstock with pistol grip The buttstock is attached to the receiver by the means of two hex head screws which can be installed or removed by using the HK tool. Fig. 11 Buttstock with pistol grip The buttstock holds the upper and lower receiver together. A rubber cheek rest and buttplate are molded onto the polymer frame of the buttstock. Assembly Group 5 Magazine The magazine housing is constructed from plastic. The magazine consists...
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17 HANDLING & OPERATION 16USC CARBINE ACCESSORIES 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 (maximum 10 rounds). Fig. 17 Filling the magazineNOTE: Loading more than the prescribed number of rounds will prevent the magazine from being inserted in the weapon with thebolt forward. Emptying the Magazine •Grasp magazine. •With your...
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19 LOADING THE USC 18USC CARBINE Starting Situation 2: There is an empty magazine in the carbine. The bolt is held back by the bolt catch. •Put the USC safety/selector on (Safe). •Push magazine catch forward and remove empty magazine. •Insert the filled magazine into the magazine well until the magazine catch engages audibly. Tug to check. •Depress upper end of bolt catch (Fig. 21), thus releasing the bolt and allowing it to snap forward chambering a round.WARNING: The USC is now fully loaded and with...