203 mm howitzer M1931 (B-4)

203 mm howitzer M1931 (B-4)

Infobox Weapon
name=203 mm howitzer M1931 (B-4)


caption=203 mm howitzer M1931 (B-4) in Great Patriotic War museum, Minsk, Belarus.
origin=USSR
type=heavy howitzer
is_ranged=
is_bladed=
is_explosive=
is_artillery=yes
is_vehicle=
is_UK=
service=
used_by=
wars=
designer= Nikolai Nikititsch Magdesiew
design_date= 1931
manufacturer=
production_date=1932-?
number= 871
variants=
weight=combat: 17,700 kg
(39,022 lbs)
travel: 19,000 kg
(41,888 lbs)
length=
part_length=bore: 4,894 mm / 24.1 calibers
overall: 5,087 mm / 25 calibers
width=
height=
crew=
cartridge=HE: 100 kg (220 lbs)
caliber=203 mm (8 in)
action=
rate=1 round per minute
velocity=607 m/s (1,990 ft/s)
range=
max_range=18 km (11 mi)
feed=
sights=
breech=
recoil=
carriage=
elevation=0° to 60°
traverse=8°
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=

203 mm howitzer M1931 (B-4) ( _ru. 203-мм гаубица обр. 1931 г. (Б-4)) was 203 mm (8 inch) Soviet heavy howitzer. These guns were used with success against heavy German fortifications and in urban combat for crushing protected buildings and bunkers.

References and external links

* 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


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