FM 23-67, for USGI M60 machine gun dated Feb 1984 ......THIS IS A REPRINT ..... MACHINE GUN 7.62-MM, M-60. 8.5"x11". Department of the Army Field Manual FM 23-67. Illustrated manual contains a discussion of the M-60 Machine gun and it's characteristics, disassembly/assembly procedures, sighting equipment, operation and functioning, types and functioning of standard ammunition, safety precautions, marksmanship training, deployment, and more.