MIL-DTL-45500/5A, MILITARY SPECIFICATION: GUN, AUTOMATIC, 20MM: THREE-BARREL, HIGH RATE, M197 AND M197E1 (18-DEC-1996) [SUPERSEDING MIL-G-45500/5]

MIL-DTL-45500/5A, MILITARY SPECIFICATION: GUN, AUTOMATIC, 20MM: THREE-BARREL, HIGH RATE, M197 AND M197E1 (18-DEC-1996) [SUPERSEDING MIL-G-45500/5]., This specification is approved for use by all Departments and Agencies of the Department of Defense. The complete requirements for procuring the gun described herein shall consist of this specification sheet and the issue of MIL-DTL-45500E. This specification sheet covers the requirements for one type of three-barrel, electrically fired, 20 millimeter (mm) automatic gun. The gun utilizes an ammunition feeder, recoil adapters and is either electric or hydraulic power driven. This specification sheet includes the requirements of U.S. Army Weapons Command Purchase Description USAWECOM PD-36 dated 13 July 1972 for the M197, 20mm Automatic Gun.