Description
US Military Technical Manual. Machine Gun Mounts for Helicopters. Armament Subsystem, Helicopter, 7.62mm. Door Mounted M23 and M24, Ramp Mounted M41, Window Mounted M144. M122 Tripod, M3 Tripod, M66 Ring Mount, M240E1 Mount, M142 Cradle, 6650 Mount, M548 Mount, Maintenance and Tools. Dated December 1986.