MIL-M-48640 (AMENDMENT 1), MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 9364909 (M27 FOR 120MM GUN TUBE) (29-APR-1991)

MIL-M-48640 (AMENDMENT 1), MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 9364909 (M27 FOR 120MM GUN TUBE) (29-APR-1991)., This amendment forms a part of MIL-M-48640(AR), dated 31 January 1986, and is approved for use by the U.S. ArmY Armament, “Munitions, and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense.