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Ansaldo 203 mm/53 gun
Photo: A. Bernini · Wikimedia Commons · CC BY-SA 3.0
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Ansaldo203mm/53gun

Naval Guns · Italy · 1931
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Ansaldo203mm/53gun

Ansaldo 203 mm/53 gun
Ansaldo 203 mm/53 gun Photo: A. Bernini · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Rate of Fire
60
Range
75
Lethality
80
Accuracy
70
Ammunition Versatility
65
Multi-Role Capability
50
Reliability
85
Automation
30
Technology
55
Cost-Effectiveness
70
Origin Italy
ManufacturerAnsaldo
CategoryNaval Guns
EraInterwar Period
In service1931
Operators1 countries
Data Quality85%
MASS(Military Archive Scoring System)
66
Naval Guns MASS Rating
2/40
Interwar Period
20/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
60
Range
75
Lethality
80
Accuracy
70
Ammunition Versatility
65
Multi-Role Capability
50
Reliability
85
Automation
30
Technology
55
Cost-Effectiveness
70
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
Ansaldo 203 mm/53 gun
Category
Country
Prime contractor
Production
1931–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · INTERWAR PERIOD
2
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
66
naval guns category
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
◎General4MOD.4
  • Service Entry Year1931
  • Weight19,500 kg
  • Diameter203 mm
  • In ServiceYes
◈Guidance & Homing1MOD.1
▣Performance2MOD.2
  • Maximum Range (gun)34.208 km
  • Rate of Fire (gun)3.8
◇Warhead3MOD.3
  • Warhead TypeArmor-Piercing and High-Explosive shells
  • Explosive Filler7.5 kg
  • Fuze TypeDelayed-Action Base Fuse (AP), Instantaneous Nose Fuse (HE)
◆Platform2MOD.2
▤Production1MOD.1
  • Operators1
⬢Warhead Detail1MOD.1
  • Explosive Filler Weight3.157 kg
03 / History
SERVICE LIFESPANStill in Service
  1. 1931Production started
  2. 1939First deployment: World War II
95
years in service
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE2terms
Surface ship from which a torpedo is launched, typically a destroyer, cruiser, or dedicated torpedo boat.
Ship-launched: a torpedo designed to be deployed from surface warships using onboard launch tubes or deck-mounted launchers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Naval Guns entry →