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BL 9.2 inch railway gun
Photo: British government · Wikimedia Commons · Public domain
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BL9.2inchrailwaygun

Field Guns · United Kingdom · 1915
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BL9.2inchrailwaygun

BL 9.2 inch railway gun
BL 9.2 inch railway gun Photo: British government · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Range
40
Firepower
50
Accuracy
30
Rate of Fire
20
Mobility
10
Muzzle Velocity
35
Direct-Fire Capability
5
Reliability
60
Versatility
25
Cost-Effectiveness
45
Origin United Kingdom
ManufacturerArmstrong Whitworth
CategoryField Guns
EraWorld War I
In service1915–1945
Operators1 countries
Data Quality84%
MASS(Military Archive Scoring System)
33
Field Guns MASS Rating
51/61
World War I
219/240
All-Time
Field Guns · 10 axes scored
Range
40
Firepower
50
Accuracy
30
Rate of Fire
20
Mobility
10
Muzzle Velocity
35
Direct-Fire Capability
5
Reliability
60
Versatility
25
Cost-Effectiveness
45
ⓘ Regardless of era, the same scoring system applies to all units in the field guns category.
01 / Overview
BL 9.2 inch railway gun
Category
Prime contractor
Production
1915–1945
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FIELD GUNS · WORLD WAR I
51
PERFORMANCE/PRICE
55
UNIT COST (2025 USD)
—
33
field guns category
ⓘ Performance/Price and MASS score are computed across all units in the field guns category, regardless of era.
02 / Specs & Design
◎General2MOD.2
  • Service Entry Year1915
  • In ServiceYes
◈Ordnance2MOD.2
  • Calibre234 mm
  • Barrel Length (calibres)35
▣Performance3MOD.3
  • Maximum Range (standard)20.7 km
  • ElevationMk I: 28°, Mk IV: 40°
  • TraverseMk I: 10° L & R; Mk III: 360°
◇Ammunition2MOD.2
03 / History
SERVICE LIFESPANRetired
  1. 1915Production started
  2. 1945Production ended
111
years in service
30
years in production
0
countries operating
ⓘ 1 countries retired it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE1terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Field Guns entry →