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QF 3 inch 20 cwt gun
Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
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QF3inch20cwtgun

Anti-Aircraft Artillery (AAA) · United Kingdom · 1914
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QF3inch20cwtgun

QF 3 inch 20 cwt gun
QF 3 inch 20 cwt gun Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Rate of Fire
55
Effective Ceiling
45
Muzzle Velocity
60
Fire Control
40
Mobility
30
Ground-Target Capability
70
Reliability
65
Range
50
Technology
45
Cost-Effectiveness
70
Origin United Kingdom
CategoryAnti-Aircraft Artillery (AAA)
EraWorld War I
In service1914–1947
Operators5 countries
Quantity61
Data Quality88%
52
Anti-Aircraft Artillery (AAA) MASS Rating
1/15
World War I
139/210
All-Time
Anti-Aircraft Artillery (AAA) · 10 axes scored
Rate of Fire
55
Effective Ceiling
45
Muzzle Velocity
60
Fire Control
40
Mobility
30
Ground-Target Capability
70
Reliability
65
Range
50
Technology
45
Cost-Effectiveness
70
ⓘ Regardless of era, the same scoring system applies to all units in the anti-aircraft artillery (aaa) category.
01 / Overview
QF 3 inch 20 cwt gun
Production
1914–1947
Quantity
61
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ANTI-AIRCRAFT ARTILLERY (AAA) · WORLD WAR I
1
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
52
anti-aircraft artillery (aaa) category
ⓘ Performance/Price and MASS score are computed across all units in the anti-aircraft artillery (aaa) category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Service Entry Year1914
  • Combat Weight1,016.064 kg
  • Travel Weight5,990 kg
  • Crew11
  • Carriage / PlatformHigh-angle wheeled, static, or lorry mounting
  • In ServiceYes
◈Ordnance7MOD.7
▣Performance6MOD.6
  • Minimum Range4.877 km
  • Maximum Range (standard)7.163 km
  • Muzzle Velocity762 m/s
  • Rate of Fire (sustained)17
  • Elevation−10 – 90°
  • Traverse360°
◇Ammunition8MOD.8
▤Mobility5MOD.5
⬢Dimensions1MOD.1
  • Length3.581 m
▲Production1MOD.1
  • Production Start1,914 year
◎Self-Propelled Chassis1MOD.1
03 / History
SERVICE LIFESPANRetired
  1. 1914Production started
  2. 1947Production ended
112
years in service
33
years in production
61
units produced
0
countries operating
ⓘ 5 countries retired it.
04 / Operators
📖 TERMS ON THIS PAGE2terms
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 Anti-Aircraft Artillery (AAA) entry →