MIL-M-11982A, MILITARY SPECIFICATION: MOUNT, A.A., MACHINE GUN, CALIBER .50, M63 (W/SPARE PARTS) (30-APR-1953)

MIL-M-11982A, MILITARY SPECIFICATION: MOUNT, A.A., MACHINE GUN, CALIBER .50, M63 (W/SPARE PARTS) (30-APR-1953)., This specification covers one type of anti-aircraft ground mount designed for mounting the caliber .50, M2, heavy-barrel machine gun (see 6.3).