76 mm regimental gun M1943

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76 mm regimental gun M1943
File:Armata pułkowa wz43 76mm RB.jpg
76 mm regimental gun M1943 in the Poznań citadel, Poland.
TypeInfantry support gun
Place of originSoviet Union
Service history
In service1943–1945
Used byFile:Flag of the Soviet Union.svg Soviet Union
WarsWorld War II
Production history
DesignerMotovilikha Plants, M. Yu. Tsiryulnikov
Produced1943–1945
No. built5,122
Specifications
Masscombat: 600 kg (1,322 lbs)
travel: 1,300 kg (2,866 lbs)
Barrel length1.25 m (4.1 ft) L/16.5[1]

Shell76.2 × 167 mm R
Shell weight6.2 kg (13 lb 11 oz)
Caliber76.2 mm (3 in)
Carriagesplit trail
Elevation-8° to 25°
Traverse60°[1]
Rate of fire10 - 12 rpm
Muzzle velocity262 - 311 m/s
(859 - 1,020 ft/s)
Maximum firing range4.2 km (2.6 mi)[1]

The 76-mm regimental gun M1943 (OB-25) (Russian: 76-мм полковая пушка обр. 1943 г. (ОБ-25)) was a Soviet infantry support gun developed in 1943 by M. Yu. Tsiryulnikov at the ordnance plant in Motovilikha. The gun used a modernized barrel from the 76 mm regimental gun M1927 and the carriage from the 45 mm anti-tank gun M1942 (M-42). The gun was intended for destruction of light field fortifications and openly placed personnel by direct fire. HEAT shells gave it limited anti-armor capabilities. 76.2-mm regimental guns M1943 completely replaced M1927 guns in production that year and were built until the end of the German-Soviet War. Soon after the end of the war the production ceased due to insufficient range and muzzle velocity.

Ammunition

  • Ammunition types:
    • Fragmentation-HE: OF-350.
    • Fragmentation: O-350A.
    • HEAT: BP-350M.
  • Projectile weight:
    • OF-350: 6.2 kg.
  • Muzzle velocity:
    • OF-350, O-350A: 262 m/s.
    • BP-350M: 311 m/s.
  • Effective range:
    • OF-350, O-350A: 4,200 m.
    • BP-350M: 1,000 m.

Notes

  1. 1.0 1.1 1.2 Chamberlain, Peter (1975). Infantry, mountain, and airborne guns. Gander, Terry. New York: Arco. p. 63. ISBN 0668038195. OCLC 2067391.

References

  • Chamberlain, Peter & Gander, Terry. Infantry, Mountain and Airborne Guns. New York: Arco, 1975
  • 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)
  • 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