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						| 13.2mm Hotchkiss antiaircraft machine-gun model 1931 |  |  |  | 
   
    | Specifications |   
    |  |  
   
    | Calibre | 13.2x99 mm |   
    | Barrel length | 1670mm |   
    | Length of rifling | 1000mm |   
    | Weight in action | 370kg |   
    | Rate of fire | 450 rpm |   
    | Muzzle velocity | 800 m/s |   
    | Magazine capacity | 30 rounds |   
    | Traverse | 360° |   
    | Elevation | 0°-90° |   
    | Practical horizontal range | 2500m |   
    | Practical vertical range | 1600m |   
    | Armour penetration | 20mm at 400m |  |  |