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Heckler&Koch MR556A1 User Manual

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TABLE OF CONTENTS

Safety Precautions ................................................................... Inside Cover

Clearing ......................................................................................................5

Section 1

Introduction ................................................................................................6

Section 2

Nomenclature and Description .................................................................7

Section 3

Function and Op er a tion ..........................................................................12

Section 4

Sights, Sight Adjustment and Aiming ......................................................15

Section 5

Ammunition ..............................................................................................19

Section 6

Instructions for Use ...................................................................................20

Loading the Magazine .............................................................................20

Loading the Rifle ......................................................................................20

Firing the Rifle ..........................................................................................22

Unloading the Rifle ..................................................................................23

Section 7

Disassembly and Assembly ......................................................................24

Disassembly of the MR556A1 ..................................................................24

Assembly of the MR556A1 .......................................................................30

Function Check .......................................................................................37

Magazine Disassembly .............................................................................38

Magazine Assembly .................................................................................40

Section 8

Cleaning and Main te nance .....................................................................42

Lubrication ...............................................................................................43

Section 9

Troubleshooting Prob lems and Re pair ....................................................46

Section 10

Exploded Diagram and Parts List ............................................................48

Section 11

Specifications ...........................................................................................51

Warranty Registration ...............................................................................51

Section 12

MR556A1 Upper Receiver Kit Supplement ..............................................52

Firearms Service Record ....................................................................................................56