6 inch siege gun M1877

Infobox Weapon
name=6-inch siege gun model 1877


caption=Russian 6-inch M1877 gun, displayed in Hämeenlinna Artillery Museum.
origin=Russian Empire
type=siege gun
is_ranged=
is_bladed=
is_explosive=
is_artillery=yes
is_vehicle=
is_UK=
service=
used_by=
wars=
designer=
design_date=
manufacturer=
production_date=
number=
variants=
weight=combat: 5,300 kg
length=
part_length=21 calibers
width=
height=
crew=
cartridge=
caliber=152.4 mm
action=
rate=
velocity=
range=
max_range=9.3 km
feed=
sights=
breech=
recoil=
carriage=box trail
elevation=-5° to 45°
traverse=
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=

6-inch siege gun model 1877 ( _ru. 6-дюймовая осадная пушка образца 1877 года) was a Russian 152.4 mm heavy siege gun. The gun was produced by Obukhov Steel Works in Saint Petersburg. It was utilized in Russo-Japanese War, World War I, Russian Civil War and some conflicts of the early 20th century where former parts of Russian empire were involved. The only surviving piece is displayed in Hämeenlinna Artillery Museum, Finland.