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BL 16.25 inch Mk I gun
Photo: photographer not identified. UK Government. · Wikimedia Commons · Public domain
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BL16.25inchMkIgun

Naval Guns · United Kingdom · 1888
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BL16.25inchMkIgun

BL 16.25 inch Mk I gun
BL 16.25 inch Mk I gun Photo: photographer not identified. UK Government. · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
20
Range
30
Lethality
40
Accuracy
35
Ammunition Versatility
25
Multi-Role Capability
10
Reliability
70
Automation
5
Technology
20
Cost-Effectiveness
60
Origin United Kingdom
ManufacturerArmstrong Whitworth
CategoryNaval Guns
EraPre-WWI / Industrial Age
In service1888
Operators1 countries
Quantity12
Data Quality84%
MASS(Military Archive Scoring System)
31
Naval Guns MASS Rating
88/131
Pre-WWI / Industrial Age
226/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
20
Range
30
Lethality
40
Accuracy
35
Ammunition Versatility
25
Multi-Role Capability
10
Reliability
70
Automation
5
Technology
20
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
BL 16.25 inch Mk I gun
Category
Prime contractor
Production
1888–
Quantity
12
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
88
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
31
naval guns category
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
◎General5MOD.5
  • Service Entry Year1888
  • Weight112,777 kg
  • Length13.28 m
  • Diameter413 mm
  • In ServiceYes
◈Performance2MOD.2
  • Maximum Range (gun)11 km
  • Rate of Fire (gun)0.33
▣Platform3MOD.3
03 / History
SERVICE LIFESPANRetired
  1. 1888Production started
  2. 1927Entered service
138
years in service
12
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 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 →