Manufacturer: US Army Ordnance
Production Years: 1943- 1945
Armament: Four fixed Browning M2 HB .50 cal. machine guns mounted on a powered M45 Maxson turret
Ammunition: .50 cal., 800 rounds -200 rounds each in four ammunition chests mounted outboard on guns
Maximum Combined Rate of Fire: 2300 rounds per minute
Crew: One (gunner seated in turret)
Markings: US First Army, anti-aircraft artillery battalion
