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