MIL-M-45920 (INTERIM AMENDMENT 2), MILITARY SPECIFICATION: MACHINE GUN, AIRCRAFT 7.62MM. M134 (GAU-2B/A) (08 MAY 1990)

MIL-M-45920 (INTERIM AMENDMENT 2), MILITARY SPECIFICATION: MACHINE GUN, AIRCRAFT 7.62MM. M134 (GAU-2B/A) (08 MAY 1990)., This interim amendment is approved for use within the U.S. Army Armament Munition and Chemical Command with MIL-M-45920 dated 30 July 1971.