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BL 5 inch Mk I – V gun
Photo: BrokenSphere · Wikimedia Commons · CC BY-SA 3.0
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BL5inchMkI–Vgun

Naval Guns · United Kingdom · 1880
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BL5inchMkI–Vgun

BL 5 inch Mk I – V gun
BL 5 inch Mk I – V gun Photo: BrokenSphere · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Rate of Fire
10
Range
5
Lethality
15
Accuracy
10
Ammunition Versatility
10
Multi-Role Capability
5
Reliability
85
Automation
0
Technology
5
Cost-Effectiveness
30
Origin United Kingdom
CategoryNaval Guns
EraPre-WWI / Industrial Age
In service1880–1947
Operators1 countries
Data Quality85%
MASS(Military Archive Scoring System)
16
Naval Guns MASS Rating
128/131
Pre-WWI / Industrial Age
276/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
10
Range
5
Lethality
15
Accuracy
10
Ammunition Versatility
10
Multi-Role Capability
5
Reliability
85
Automation
0
Technology
5
Cost-Effectiveness
30
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
BL 5 inch Mk I – V gun
Category
Production
1880–1947
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
128
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
16
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 Typerifled breechloader
  • Service Entry Year1880
  • Weight2,032 kg
  • Length3.175 m
  • Diameter127 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance3MOD.3
  • Propulsion Typegunpowder/cordite
  • Range7,955 km
  • Maximum Range (gun)7.955 km
◇Warhead4MOD.4
  • Warhead Typecommon shell, shrapnel shell, Palliser shot
  • Warhead Weight22.68 kg
  • Explosive Filler6.99 kg
  • Nuclear-CapableNo
◆Platform5MOD.5
▤Warhead Detail3MOD.3
  • Detonation Mechanism / Fuzepercussion
  • Explosive Filler Weight2.05 kg
  • Explosive Filler TypeLyddite
03 / History
SERVICE LIFESPANRetired
  1. 1880Production started
  2. 1899First deployment: Second Boer War
  3. 1947Production ended
146
years in service
67
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 →