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Canon de 305 mm Modèle 1887
Photo: Marius Bar (1862–1930) · Wikimedia Commons · Public domain
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Canonde305mmModèle1887

Naval Guns · France · 1887
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Canonde305mmModèle1887

Canon de 305 mm Modèle 1887
Canon de 305 mm Modèle 1887 Photo: Marius Bar (1862–1930) · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
20
Range
30
Lethality
50
Accuracy
25
Ammunition Versatility
30
Multi-Role Capability
20
Reliability
50
Automation
10
Technology
20
Cost-Effectiveness
30
Origin France
CategoryNaval Guns
EraPre-WWI / Industrial Age
In service1887–1945
Operators1 countries
Data Quality86%
MASS(Military Archive Scoring System)
30
Naval Guns MASS Rating
106/131
Pre-WWI / Industrial Age
250/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
20
Range
30
Lethality
50
Accuracy
25
Ammunition Versatility
30
Multi-Role Capability
20
Reliability
50
Automation
10
Technology
20
Cost-Effectiveness
30
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
Canon de 305 mm Modèle 1887
Category
Country
Production
1887–1945
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
106
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
30
naval guns category
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Weapon TypeNaval gun
  • Service Entry Year1887
  • Weight45,700 kg
  • Length13.9 m
  • Diameter305 mm
  • In ServiceYes
◈Guidance & Homing4MOD.4
▣Performance2MOD.2
  • Maximum Range (gun)12 km
  • Rate of Fire (gun)1
◇Warhead1MOD.1
◆Platform5MOD.5
03 / History
SERVICE LIFESPANRetired
  1. 1887Production started
  2. 1914First deployment: World War I
  3. 1945Production ended
139
years in service
58
years in production
0
countries operating
ⓘ 1 countries retired 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 →