40-MM GRENADE LAUNCHERS M79, FM 23-31
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40-MM GRENADE LAUNCHERS M79. May 1965. 8.5"x11". Department of the Army Field Manual FM 23-31. Illustrated manual contains a discussion of the M79 Grenade Launcher and its characteristics, disassemble/assembly procedures, launcher controls and sighting equipment, operation and functioning, types and functioning of standard ammunition, safety precautions, and marksmanship training.