MIL-M-45013D, MILITARY SPECIFICATION: MACHINE GUN, 7.62MM: M60 (05 JUL 1972)

MIL-M-45013D, MILITARY SPECIFICATION: MACHINE GUN, 7.62MM: M60 (05 JUL 1972)., This specification covers the requirements, examinations and tests for one type of 7.62mm, gas operated, air cooled, link belt fed, lightweight machine gun furnished with one spare interchangeable barrel assembly with biped assembly (see 6.1)