Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
RML 12 inch 25 ton gun
Category
Country
Production
1866–1877
Quantity
1,716
Unit Price (current)
$75.9K↗ 3219% inflation · 1882→2025
Original Price
$2.3K (1882)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
126
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
$75.9K
Original: $2.3K (1882)
Inflation: +%3219
ⓘ 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 gun
- Service Entry Year1866
- Weight25,000 kg
- Length145 m
- Diameter305 mm
- In ServiceYes
◈Guidance & Homing4MOD.4
▣Performance3MOD.3
- Propulsion Typenone
- Maximum Range (gun)10.5 km
- Rate of Fire (gun)0.5
◇Warhead4MOD.4
- Warhead Typearmour-piercing shot
- Warhead Weight275 kg
- Explosive Filler0 kg
- Nuclear-CapableNo
◆Platform5MOD.5
- Launch PlatformShip / Surface
- Submarine-LaunchedNo
- Ship-LaunchedYes
- Air-LaunchedNo
- Launch Tube Diameter305 mm
▤Production2MOD.2
- Total Production22
- Operators1
⬢Warhead Detail2MOD.2
- Detonation Mechanism / Fuzeimpact
- Explosive Filler Weight0 kg
03 / History
SERVICE LIFESPANRetired
- 1866Production started
- 1877Production ended
160
years in service
11
years in production
1,716
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Variants
▚ WEAPON FAMILY
06 / MASS Score
NAVAL GUNS RANKING Naval Guns · Pre-WWI / Industrial Age
MASS RANKINGSMASS ↗
273NAVAL GUNS126PRE-WWI / INDUSTRIAL AGE · NAVAL GUNS1117UNITED KINGDOM · ALL WEAPONS8PRICE · NAVAL GUNS799PRICE · ALL WEAPONS35PERFORMANCE/PRICE · NAVAL GUNS
ⓘ Rankings are within theNaval Gunscategory.
📖 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