Service Data:
                    
                    In Service: 1942 to 1945
                    
                    
Production Data:
                    
                    Manufacturer: Rheinmetall-Borsig
                    Number built: 450
                    
                    
Technical Data:
                    
                    Type: Flugabwehrkanone
                    
                    
Calibre: 12.8 cm
                    
Length: 7.835 m
                    
Weight: 13,000 kg
                    
Breech: horizontal semi-automatic sliding block, electrically 
                    fired
                    
Recoil: 
                    Carriage: platform
                    
Elevation: -3° to +88°
                    
Traverse: 360�
                    
Rate of fire: 12 rounds per minute
                    
Muzzle velocity: 880 m/s
                    
Effective range: 20,475 m
                    
Shell Weight: 26.02 kg 
                    
Used by: Heer
                    
Variants: 
                    12.8 cm Flak 40
                    12.8 cm Flakzwilling 
                    40
                    
                    Other: Anti-Aircraft 
                    Artillery
                    Articles: 
                    
                    History:
                    
                    The 12.8 cm Flak 40 (12.8 cm Flugabwehrkanone 40
                    
                    
Gallery:
                    
                    
                    
                    Heer Comments
                      
                    
                    
Sources:
                    
                    German Artillery in World War II. 1939-1945.
                    ISBN-10: 0887407625
                    
                    German Artillery of World War Two. 
                    ISBN-10: 1853672610
                    
                    German infantry weapons of World War II. 
                    ISBN-10: 0882543725
                    
                    German Small Arms of World War II. 
                    ISBN-10: 0896730239
                    
                    For a complete list of 
sources