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6 inch/40 caliber Mark 4
Photo: not stated · Wikimedia Commons · Public domain
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6inch/40caliberMark4

Naval Guns · United States · 1885
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6inch/40caliberMark4

6 inch/40 caliber Mark 4
6 inch/40 caliber Mark 4 Photo: not stated · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
30
Range
20
Lethality
40
Accuracy
35
Ammunition Versatility
25
Multi-Role Capability
10
Reliability
70
Automation
5
Technology
15
Cost-Effectiveness
85
Origin United States
ManufacturerWashington Navy Yard
CategoryNaval Guns
EraPre-WWI / Industrial Age
In service1885–1905
Operators1 countries
Quantity72
Data Quality87%
MASS(Military Archive Scoring System)
32
Naval Guns MASS Rating
80/131
Pre-WWI / Industrial Age
216/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
30
Range
20
Lethality
40
Accuracy
35
Ammunition Versatility
25
Multi-Role Capability
10
Reliability
70
Automation
5
Technology
15
Cost-Effectiveness
85
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
6 inch/40 caliber Mark 4
Category
Prime contractor
Production
1885–1905
Quantity
72
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
80
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
32
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 Year1885
  • Weight6,064.632 kg
  • Length6.505 m
  • Diameter152 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance4MOD.4
  • Propulsion Typegunpowder
  • Range8.23 km
  • Maximum Range (gun)16.46 km
  • Rate of Fire (gun)7.6
◇Warhead2MOD.2
◆Platform4MOD.4
▤Production2MOD.2
  • Total Production72
  • Operators1
⬢Warhead Detail1MOD.1
  • Detonation Mechanism / Fuzeimpact
03 / History
SERVICE LIFESPANRetired
  1. 1885Production started
  2. 1895First deployment: Cuban War of Independence
  3. 1905Production ended
141
years in service
20
years in production
72
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Conflicts
6 INCH/40 CALIBER MARK 4 · CONFLICTS SERVED IN0% win·100% loss
Total Conflicts
1
Victories
0
Ongoing
0
Losses
1
ⓘ Shown only from conflicts recorded in our database.
05 / 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 →