9 cm Mortar Type GR

9 cm Mortar Type GR

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

External links

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Russian Empire Small Arms & Ordnance of the First World War

Rifles

Machine guns

Side arms

Nagant M1895

Hand grenades

Model 1914 grenade

Artillery

Infantry guns	37 mm trench gun M1915

Field Artillery	76 mm gun M1900 76 mm divisional gun M1902 87 mm light field gun M1877 42-line field gun M1877 107 mm gun M1910 QF 4.5-inch howitzer 122 mm howitzer M1909 122 mm howitzer M1910

Mountain artillery	76 mm mountain gun M1909

Howitzers, medium, and heavy artillery	BL 60-pounder gun 152 mm howitzer M1909 152 mm howitzer M1910 BL 6-inch 26 cwt howitzer 152 mm siege gun M1910 BL 8-inch howitzer Mk VI – VIII

Siege artillery	42-line siege gun M1877 6 inch siege gun M1877 6-inch siege gun M1904 280 mm Schneider Mortar Model 1914/15 BL 9.2-inch howitzer 305 mm howitzer M1915

Mortars	9 cm Mortar Type GR Aasen mortar

Anti-aircraft guns	76 mm air-defense gun M1914/15

Coastal artillery

Obukhovskii 12"/52 Pattern 1907 gun

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