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SM-31 gun
Photo: Roy Parkhouse · Wikimedia Commons · CC BY-SA 2.0
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SM-31gun

Naval Guns · Russia
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SM-31gun

SM-31 gun
SM-31 gun Photo: Roy Parkhouse · Wikimedia Commons · CC BY-SA 2.0
MASS (Military Archive Scoring System) 32
* Absolute score — assessed within category · no era adjustment
Rate of Fire
30
Range
35
Lethality
40
Accuracy
30
Ammunition Versatility
25
Multi-Role Capability
20
Reliability
45
Automation
20
Technology
30
Cost-Effectiveness
40
Methodology ↗ → Naval Guns ranking
Origin Russia
CategoryNaval Guns
Operators1 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality81%
MASS(Military Archive Scoring System)
⊟ Naval Gunsranking ↗methodology ↗
32
Naval Guns MASS Rating
216/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
30
Range
35
Lethality
40
Accuracy
30
Ammunition Versatility
25
Multi-Role Capability
20
Reliability
45
Automation
20
Technology
30
Cost-Effectiveness
40
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
SM-31 gun
Category
Naval Guns
Country
Russia
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS
—
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
MASS SCORE ↗
32
naval guns category
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
03 / History
04 / Operators
Operator Countries1country
RussiaACTIVE
Naval Guns Russia
📚 Sources
📖 ENCYCLOPEDIA Browse the Naval Guns entry →