13.2mm Hotchkiss antiaircraft machine-gun model 1931
13.2mm Hotchkiss AAMG M1931
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
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