Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the field guns category.
01 / Overview
14-inch M1920 railway gun
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FIELD GUNS · INTERWAR PERIOD
28
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the field guns category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- Service Entry Year1925
- Combat Weight104,328 kg
- Travel Weight104,326 kg
- Carriage TypeRailway Mounting
- In ServiceYes
◈Ordnance6MOD.6
- Calibre356 mm
- Ordnance TypeSeparate loading, HE and AP
- Breech TypeInterrupted Screw
- Recoil SystemHydro-Pneumatic
- Muzzle BrakeNo
- Bore EvacuatorNo
▣Performance5MOD.5
- Maximum Range (standard)44.1 km
- Muzzle Velocity808 m/s
- Rate of Fire (sustained)1
- Elevation50° fixed, 19° on track
- Traverse7° on track, 360° fixed
◇Ammunition7MOD.7
- Ammunition TypesHE, AP
- HE RoundYes
- Smoke RoundNo
- Illumination RoundNo
- Cluster / DPICMNo
- Precision-Guided RoundNo
- MRSI CapableNo
◆Fire Control5MOD.5
▤Mobility4MOD.4
- Self-PropelledNo
- Shoot-and-ScootNo
- AutoloaderNo
- Protected Crew CabNo
⬢Dimensions1MOD.1
- Length18.1 m
▲Production2MOD.2
- Total Production4
- Production Start1,925 year
◎Self-Propelled Chassis1MOD.1
03 / History
SERVICE LIFESPANStill in Service
- 1925Production started
- 1939First deployment: World War II
101
years in service
0
years in production
4
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
FIELD GUNS RANKING Field Guns · Interwar Period
MASS RANKINGSMASS ↗
153FIELD GUNS28INTERWAR PERIOD · FIELD GUNS2057UNITED STATES · ALL WEAPONS219PERFORMANCE/PRICE · FIELD GUNS
ⓘ Rankings are within theField Gunscategory.
📖 TERMS ON THIS PAGE4terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
Recoil system using a combination of liquid and compressed gas to absorb and return energy from firing.
A breech mechanism in artillery where the screw threads are interrupted to allow quick opening and closing of the breech.
Method of transporting artillery by mounting it on a railway flatcar for movement along rail lines.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources