21 cm Mörser 16

21 cm Mörser 16
TypeHowitzer
Place of originGerman Empire
Service history
In service1916–50
Used byGerman Empire
Sweden
Nazi Germany
Finland
WarsWorld War I, World War II
Production history
DesignerKrupp
Designed1915
ManufacturerKrupp
Produced1916–1918
Specifications
Mass6,680 kg (14,730 lb)
Barrel length2.67 m (8 ft 9 in) L/14.5

Shellseparate-loading, cased charge
Caliber211 mm (8.3 in)
Breechhorizontal sliding-wedge
RecoilHydro-pneumatic
CarriageBox trail
Elevation-6° to +70°
Traverse
Rate of fire1–2 rpm
Muzzle velocity393 m/s (1,290 ft/s)
Maximum firing range11,100 m (12,100 yd)
FillingTNT

The 21 cm Mörser 16 (21 cm Mrs 16), or 21 cm Lange Mörser M 16/L14.5, was a heavy howitzer used by Germany in World War I and World War II (although classified as a mortar (Mörser) by the German military).