9 cm Mortar Type GR

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The 9 cm Mortar Type GR was a World War I Russian mortar, developed circa 1915. Its shell is comparable in power to the modern 81mm mortar shell.

Comparison of Russian Front mortars (1915—1917)

Mortar weight Calibre in mm Total weight of shell Explosive shell Muzzle velocity in meters/second Вес Б. Rate of fire, rounds/minute Maximum range (meters)
9 cm Mortar Type GR 91 bomb 3,3 0,7 100 46 4-5 500
Aasen 75 grenade 1,2 0,4 24 400
20-мм 20 grenade 2,45 0,17 61 33
Lihonina mortar 20 bomb 3,0 0,34 16,8 16,5 500

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