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12 cm/45 10th Year Type gun
Photo: Imperial Japanese Navy · Wikimedia Commons · Public domain
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12cm/4510thYearTypegun

Naval Guns · Japan · 1926
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12cm/4510thYearTypegun

12 cm/45 10th Year Type gun
12 cm/45 10th Year Type gun Photo: Imperial Japanese Navy · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
40
Range
35
Lethality
50
Accuracy
45
Ammunition Versatility
30
Multi-Role Capability
20
Reliability
70
Automation
10
Technology
25
Cost-Effectiveness
60
Origin Japan
CategoryNaval Guns
EraInterwar Period
In service1926
Operators1 countries
Data Quality85%
MASS(Military Archive Scoring System)
39
Naval Guns MASS Rating
36/40
Interwar Period
157/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
40
Range
35
Lethality
50
Accuracy
45
Ammunition Versatility
30
Multi-Role Capability
20
Reliability
70
Automation
10
Technology
25
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
12 cm/45 10th Year Type gun
Category
Country
Production
1926–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · INTERWAR PERIOD
36
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
39
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
SERVICE LIFESPANStill in Service
  1. 1926Production started
  2. 1939First deployment: World War II
100
years in service
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📚 Sources
📖 ENCYCLOPEDIA Browse the Naval Guns entry →