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21 cm Granatenwerfer 69
A GrW 69 at the U.S. Army Field Artillery Museum, Ft. Sill, OK
Type Mortar
Place of origin Nazi Germany
Service history
In service 1944–45
Used by Nazi Germany
Wars Second World War
Production history
Designer Skoda
Manufacturer Skoda
Produced 1944–45
Number built 200
Weight 2,800 kg (6,173 lbs)
Barrel length 3 metres (9 ft 10 in)

Caliber 210.9 mm (8.30 in)
Elevation 40° to 70°
Traverse 60°
Muzzle velocity 285 m/s (935 ft/s)
light bomb
247 m/s (810 ft/s)
heavy bomb
Effective range 5,190 m (5,676 yds)
heavy bomb
Maximum range 6,300 m (6,890 yds)
light bomb

The 21 cm Granatenwerfer 69 (Literally, "grenade thrower") was a mortar used by Germany during World War II. This weapon may also be known as the GR 19 and B 19.

The prototype was built by Skoda as the 22 cm sGrW B 14, but was redesigned to 21 cm at OKH's request to utilize existing ammunition. In firing position, the wheels rested in shoes that rested on a semicircular rail track. The baseplate was attached to the mount by a ball joint to allow for traverse without reseating the baseplate. Elevation was obtained by rack and pinion on the upright legs. The firing mechanism was built into the breech ring and was of the continuous pull type. It was designed to be towed as a complete unit, the baseplate riding above the tube.

It fired a light bomb of 85 kilograms (187 lb) and a heavy bomb of 110 kilograms (240 lb).


  • Gander, Terry and Chamberlain, Peter. Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939-1945. New York: Doubleday, 1979 ISBN 0-385-15090-3

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