Object 261
Tier 10 · ussr · SPG
About
Developed on the chassis of the IS-7 by the design bureaus of the Kirov Plants in Chelyabinsk and Leningrad. The project was launched in 1947, but was canceled while still in the design phase.
Survivability
Hit points
1,430
View range
390 m
Signal range
720 m
Engine fire chance
15%
Armor (mm)
Front
Sides
Rear
Hull
75
50
30
Gun · 180 mm B-1-P
Caliber
180 mm
Rate of fire
3.43 rpm
Reload
17.5 s
Aim time
5.6 s
Dispersion @ 100 m
0.56 m
Gun arc
3° / 45°
Traverse
20°/s
Ammo
28
Mobility
Top speed
50 km/h
Reverse
12 km/h
Engine
1050 hp
Power/weight
17.8 hp/t
Hull traverse
24°/s
Shells
HIGH_EXPLOSIVE
1000 dmg (750–1250)
102 mm pen (77–128)
Stun 0–0 s
ARMOR_PIERCING
660 dmg (495–825)
360 mm pen (270–450)
Stun 0–0 s
HIGH_EXPLOSIVE
1000 dmg (750–1250)
102 mm pen (77–128)
Stun 0–0 s
Marks of Excellencesample size 28 · updated 5/23/2026
1 mark
1,891
avg damage
2 marks
2,204
avg damage
3 marks
0
avg damage