Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
254 mm 45 caliber Pattern 1891
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
73
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
ⓘ 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 Year1897
- Weight27,600 kg
- Length11.4 m
- Diameter254 mm
- In ServiceYes
◈Guidance & Homing4MOD.4
▣Performance3MOD.3
- Range20.4 km
- Maximum Range (gun)20.4 km
- Rate of Fire (gun)0.5
◇Warhead3MOD.3
- Warhead TypeArmor Piercing, High Explosive
- Warhead Weight225 kg
- Nuclear-CapableNo
◆Platform4MOD.4
- Launch PlatformShip / Surface
- Submarine-LaunchedNo
- Ship-LaunchedYes
- Air-LaunchedNo
▤Production2MOD.2
- Total Production30
- Operators3
03 / History
SERVICE LIFESPANRetired
- 1897Production started
- 1904First deployment: Russo-Japanese War
- 1930Production ended
129
years in service
33
years in production
30
units produced
0
countries operating
ⓘ 2 countries retired it.
05 / MASS Score
NAVAL GUNS RANKING Naval Guns · Pre-WWI / Industrial Age
MASS RANKINGSMASS ↗
201NAVAL GUNS73PRE-WWI / INDUSTRIAL AGE · NAVAL GUNS1486RUSSIA · ALL WEAPONS252PERFORMANCE/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