122 mm howitzer M1910/30

Infobox Weapon
name=122-mm howitzer M1910/30


caption=122-mm howitzer M1910/30 in Military Museum, Helsinki
origin=USSR
type=field howitzer
is_ranged=
is_bladed=
is_explosive=
is_artillery=yes
is_vehicle=
is_UK=
service=
used_by=
wars=
designer=
design_date=
manufacturer=
production_date=1930-1941
number=up to 5,900
variants=
weight=combat: 1,466 kg
(3,232 lbs)
travel: 2,510 kg
(5,534 lbs)
length=
part_length=bore: 1.53 m (5 ft) / 12.6 calibers
overall: 1.56 m (5.11 ft) / 12.8 calibers
width=
height=1.841 m (6 ft)
crew=7
cartridge=
caliber=121.92 mm (4.8 in)
action=
rate=5-6 rounds per minute
velocity=
range=
max_range=
feed=
sights=
breech=interrupted screw
recoil=hydropneumatic
carriage=single trail
elevation=-3° to 45°
traverse=4°71́
blade_type=
hilt_type=
sheath_type=
head_type=
haft_type=
diameter=
filling=
filling_weight=
detonation=
yield=
armour=
primary_armament=
secondary_armament=
engine=
engine_power=
pw_ratio=
suspension=
vehicle_range=
speed=

122 mm howitzer M1910/30 ( _ru. 122-мм гаубица обр. 1910/30 гг.) was a Soviet 121.92 mm (4.8 inch) howitzer, a modernization of World War I era 122-mm howitzer M1910. It was the most numerous divisional howitzer of the RKKA at the outbreak of Great Patriotic War and remained in service throughout the war.

Development and production history

The gun resulted from a modernization of the Russian 122-mm howitzer M1910, initially developed by Schneider Electric. The M1910 was employed by the Imperial Russian Army during World War I and remained in service after the revolution.

In late 1920s the RKKA decided to upgrade the M1910. The modernization, handled by "Perm Plant" in 1930, included:
*Lengthening of the chamber by one caliber
*New sights
*Strengthened carriage
*Strengthened elevation mechanism
*Minor upgrade of the recoil mechanism

The resulting gun was adopted as 122-mm howitzer M1910/30. The exact production statistics exist only for years 1937 to 1941 when the production stopped. During that period Perm Plant produced 3,395 pieces. In addition, 762 old M1910 guns were upgraded to the M1910/30 standard.

The M1910/30 was a typical short-barrel howitzer, intended mostly for shooting with elevations from +20° to +45°. Shell could be fired with six propellant loads (no. 1 to 5 and full), but when shooting with elevation smaller than +20° with full propellant load, the gun was prone to turning over. The gun had interrupted screw breechblock; hydraulic recoil buffer and hydropneumatic recuperator were both mounted under the barrel. The carriage was of single trail type with unsprung wooden weels (from 1936 some guns received steel wheels with cast rubber tires) and limited traverse.

Organization and employment

Red Army

The M1910/30 was a divisional level howitzer. According to the organization of 1939, each rifle division had two artillery regiments - light regiment (a battalion of 76 mm guns; two mixed battalions with one battery of 76 mm guns and two batteries of 122 mm howitzers) and howitzer regiment (a battalion of 122 mm howitzers and a battalion of 152 mm howitzers), giving 28 122 mm howitzers per division. In June 1940 one more battalion of 122 mm howitzers was added to the howitzers regiment, bringing the number to 32. In June 1941 the howitzers regiment was removed and the number of howitzers dropped to 16. This organization was used throughout the war, except in guard rifle divisions which from December 1942 had three artillery battalions (two batteries of 76 mm guns and one battery of 122 mm howitzers each), totaling 12 howitzers. From December 1944 they received howitzer regiment (5 batteries, 20 howitzers). From June 1945 rifle divisions were reorganized identically.

Mountain rifle divisions in 1939-40 had one battalion of 122 mm howitzers (3 batteries, 9 guns). From 1941 they received instead one artillery regiment (2 battalions, each from 3 four-gun batteries) with 24 howitzers. From early 1942 only one battalion (2 batteries, 8 howitzers) remained. From 1944 howitzers were removed from mountain rifle divisions.

Motorized divisions had two mixed battalions (battery of 76 mm guns, two batteries of 122 mm howitzers), totaling 12 howitzers. Tank division had one battalion with 12 howitzers. Cavalry divisions until August 1941 had two batteries of 122 mm howitzers, totaling 8, then the divisional artillery was removed.

Until late 1941 rifle brigades had a battery of four 122 mm howitzers.

122 mm howitzers were also used by the howitzer brigades of the Reserve of the Main Command (72-84 pieces).

From 1930 the M1910/30 started to replace the M1910. By 1936 only 44 M1910 remained in service, of which only two were operational. The howitzer saw action in all pre-WWII conflicts of the Soviet Union, notably in the Battle of Khalkhin Gol [Kolomiets M. - "The Battle of River Khalkhin-Gol".] and in the Winter War. From 1940 onward the M1910/30 was in turn being replaced by the M-30 122 mm howitzer, but in 1941 it was still the most numerous divisional howitzer of the RKKA. By 1 June 1941 more than 5,500 [5,578 according to Isaev, 5,680 according to http://www.soldat.ru/doc/mobilization/mob/table17.html, 5,900 according to Ivanov] were in service compared to 1,667 M-30s. It continued to serve in significant numbers for the duration of World War II, however from 1942 on its share in the RKKA dropped significantly due to combat losses and mass production of the M-30.

The M1910/30 was also mounted on the T-26 light tank chassis to create the SU-5 self-propelled gun - the only Soviet pre-war self-propelled gun adopted by the RKKA. On 1 June 1941 the army possessed 28 of these.

Other operators

Hundreds of M1910/30s fell into the hands of the Wehrmacht in 1941–42 and were adopted as 12,2 cm le.F.H.388(r). Germans opened mass production of 122-mm ammunition for the howitzer, producing 424,000 shells in 1943, 696,700 in 1944 and 133,000 in 1945.

The Finnish Army captured about 30 guns of the type in the Winter War and a further 145 in the Continuation War. An additional 72 were purchased from Germany in 1944. In Finnish service the gun was designated 122 H/10-30. According to Finnish sources, these guns fired 369,744 shells in combat against the Soviet Union; 20 pieces were lost. The howitzer remained in service for some time after the war. It was generally liked by the crews, but its recoil mechanism was considered weak. The Finns also modernized in a similar way most of the 40 M1910s they possessed since the Civil War, resulting in a gun designated 122 H/10-40. The guns were used in the Continuation War; a few were lost.

Summary

The M1910/30 was a relatively minor upgrade of a WWI-era howitzer, which did not address the main flaws of the latter, namely:
* Limited towing speed due to unsprung wheels
* Limited elevation and very small traverse

A short barrel meant short range, less than that of its main adversaries, such as the German 10.5 cm leFH 16 (8,9 km vs 10,7 km). Low muzzle velocity and small traverse also made the gun helpless against enemy armor. Although in 1943 a HEAT shell was developed, the aforementioned deficiencies meant that a chance of hitting small moving target was slim.

On the other side, the M1910/30 was rugged and reliable. It was also lighter than the M-30 or the 10.5 cm leFH 16 and could be set up for combat in 30–40 seconds. Thanks to it, the howitzer was well liked in the RKKA.

It must be noted that in 1930 the Soviet Union still was not ready for development and mass production of modern artillery, so the upgade of old guns was a reasonable decision.

Ammunition

Notes

References

*Shirokorad A. B. - "Encyclopedia of the Soviet Artillery" - Mn. Harvest, 2000 (Широкорад А. Б. - Энциклопедия отечественной артиллерии. — Мн.: Харвест, 2000., ISBN 985-433-703-0)
*Shirokorad A. B. - "The God of War of The Third Reich" - M. AST, 2002 (Широкорад А. Б. - Бог войны Третьего рейха. — М.,ООО Издательство АСТ, 2002., ISBN 5-17-015302-3)
*Ivanov A. - "Artillery of the USSR in Second World War" - SPb Neva, 2003 (Иванов А. - Артиллерия СССР во Второй Мировой войне. — СПб., Издательский дом Нева, 2003., ISBN 5-7654-2731-6)
*Kolomiets M. - "The Battle of River Khalkhin-Gol" - "Frontovaya Illustratsiya" magazine, no. 2, 2002 (М.Коломиец. - Бои у реки Халхин-Гол. - журнал «Фронтовая иллюстрация», №2, 2002)
*Shunkov V. N. - "The Weapons of the Red Army" - Mn. Harvest, 1999 (Шунков В. Н. - Оружие Красной Армии. — Мн.: Харвест, 1999., ISBN 985-433-469-4
*Isaev A. - "Antisuvorov" - 2004 (Исаев A. - Антисуворов - 2004)
*http://www.soldat.ru/doc/mobilization/mob/table17.html

External links

* [http://www.landships.freeservers.com/122mm_m10_info.htm Russian 122mm Howitzer m/10 at Landships]
* [http://www.jaegerplatoon.net/ARTILLERY5.htm Light howitzers of the Finnish Army 1918-45 at Jaegerplatoon.net]


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