US Army Technical Manual, TM 9-1005-298-20P, ARMAMENT SUBSYSTEM, HELICOPTER, 7.62 MILLIMETER MACHINE GUN: HIGH RATE, M27, (1005-933-6242), (USED ON OH-6A AND OH-58A HELICOPTERS), 1973, mini gun

US Army Technical Manual, TM 9-1005-298-20P, ARMAMENT SUBSYSTEM, HELICOPTER, 7.62 MILLIMETER MACHINE GUN: HIGH RATE, M27, (1005-933-6242), (USED ON OH-6A AND OH-58A HELICOPTERS), 1973, mini gun

Scope.
This manual lists repair parts, special tools, and
support equipment required for the performance of
organizational maintenance of the M27 armament
subsystem.

SECTION I. INTRODUCTION
Scope
General
Explanation of columns
Special information
How to locate repair parts
Abbreviations
Recommendations for maintenance publications improvements
SECTION II. REPAIR PARTS LIST
Components of major combination
Gun assembly
7.62 millimeter machine gun:
M134
Bolt assembly
Rotor assembly
Delinking feeder: MAU-56/A
Electric gun drive assembly
Mount assembly
Ammunition container assembly
Electrical system assembly
Housing and tube assembly
Control rod assembly
Helicopter reflex sight XM70E1
Boresight kit
Bullet trap assembly
Flash suppressor assembly
SECTION III. SPECIAL TOOLS LIST
SECTION IV. FEDERAL STOCK NUMBER AND REFERENCE NUMBER INDEX