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RML 7 inch gun
Photo: unattributed. Assumed Royal Navy. · Wikimedia Commons · Public domain
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RML7inchgun

Naval Guns · United Kingdom · 1865
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RML7inchgun

RML 7 inch gun
RML 7 inch gun Photo: unattributed. Assumed Royal Navy. · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
30
Range
40
Lethality
50
Accuracy
45
Ammunition Versatility
20
Multi-Role Capability
10
Reliability
70
Automation
0
Technology
30
Cost-Effectiveness
60
Origin United Kingdom
CategoryNaval Guns
EraPre-WWI / Industrial Age
In service1865
Operators1 countries
Data Quality84%
MASS(Military Archive Scoring System)
36
Naval Guns MASS Rating
65/131
Pre-WWI / Industrial Age
191/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
30
Range
40
Lethality
50
Accuracy
45
Ammunition Versatility
20
Multi-Role Capability
10
Reliability
70
Automation
0
Technology
30
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
RML 7 inch gun
Category
Production
1865–
Unit Price (current)
$70.5K↗ 3219% inflation · 1882→2025
Original Price
$2.1K (1882)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
65
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
$70.5K
Original: $2.1K (1882)
Inflation: +%3219
36
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 muzzle-loading naval gun
  • Service Entry Year1865
  • Weight6,500 kg
  • Length2.819 m
  • Diameter177.8 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance3MOD.3
  • Propulsion Typenone (muzzle-loaded)
  • Range5,029.2 km
  • Maximum Range (gun)5.03 km
◇Warhead2MOD.2
◆Platform4MOD.4
▤Production1MOD.1
  • Unit Cost425 USD
03 / History
SERVICE LIFESPANRetired
  1. 1865Production started
161
years in service
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 →