| 81.4mm Brandt mortar model 1927/31 |  
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    | Specifications | 
   
   
      | 
   
 
   
    | Calibre | 
    81.4mm | 
   
   
    | Barrel length | 
    1267.5mm | 
   
   
    | Weight in action | 
    58.5kg | 
   
   
    | Weight of barrel | 
    18.5kg | 
   
   
    | Weight of bipod | 
    18kg | 
   
   
    | Weight of sight | 
    1.5kg | 
   
   
    | Weight of base plate | 
    20.5kg | 
   
   
    | Elevation | 
    45° - 85° | 
   
   
    | Traverse (depending on elevation) | 
    8° - 12° | 
   
   
    | Rate of fire | 
    20 rpm | 
   
   
    | HE shell model 1924/27 | 
   
   
    | Weight of shell | 
    3.310kg | 
   
   
    | Weight of explosive | 
    400g | 
   
   
    | Muzzle velocity | 
    174m/s | 
   
   
    | Maximum range | 
    2850m | 
   
   
    | High capacity shell
model 1935 | 
   
   
    | Weight of shell | 
    6.845kg | 
   
   
    | Weight of explosive | 
    2.400kg | 
   
   
    | Muzzle velocity | 
    158m/s | 
   
   
    | Maximum range | 
    1200m | 
   
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