MIL-DTL-45500/1A (AMENDMENT-1), DETAIL SPECIFICATION SHEET: GUN, AUTOMATIC, 20MM: M61 AND M61A1 (23-JUL-1999)

MIL-DTL-45500/1A (AMENDMENT-1), DETAIL SPECIFICATION SHEET: GUN, AUTOMATIC, 20MM: M61 AND M61A1 (23-JUL-1999)., This amendment forms a part of Military Specification Sheet MIL-DTL-45500/1A (AR), dated 18 December 1996 and is approved for use by the U.S. Army Armament Research, Development and Engineering Center (ARDEC), and is available for use by all Departments and Agencies of the Department of Defense.