Data Quality87%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
21 cm SK L/40
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · PRE-WWI / INDUSTRIAL AGE
20
PERFORMANCE/PRICE
78
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 Year1898
- Weight16,500 kg
- Length8.4 m
- Diameter210 mm
- In ServiceYes
◈Guidance & Homing4MOD.4
▣Performance3MOD.3
- Range12.4 km
- Maximum Range (gun)16.3 km
- Rate of Fire (gun)4
◇Warhead1MOD.1
◆Platform4MOD.4
- Launch PlatformShip / Surface
- Submarine-LaunchedNo
- Ship-LaunchedYes
- Air-LaunchedNo
03 / History
SERVICE LIFESPANRetired
- 1898Production started
- 1899First deployment: Boxer Rebellion
- 1945Production ended
128
years in service
47
years in production
97
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 ↗
127NAVAL GUNS20PRE-WWI / INDUSTRIAL AGE · NAVAL GUNS660GERMANY · 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