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MGM-51Shillelagh

Anti-Tank Guided Missiles (ATGM) · United States · 1966
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MGM-51Shillelagh

MGM-51 Shillelagh
MGM-51 Shillelagh Photo: Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Penetration
60
Range
55
Guidance / Accuracy
65
Fire-and-Forget
0
Top-Attack Capability
0
Portability
70
Counter-Measure Resistance
50
Reliability
55
Technology
70
Cost-Effectiveness
40
Origin United States
ManufacturerMartin Marietta, Aeronutronic
CategoryAnti-Tank Guided Missiles (ATGM)
EraCold War
In service1966–1971
Operators2 countries
Quantity88,000
Data Quality84%
46
Anti-Tank Guided Missiles (ATGM) MASS Rating
27/35
Cold War
66/86
All-Time
Anti-Tank Guided Missiles (ATGM) · 10 axes scored
Penetration
60
Range
55
Guidance / Accuracy
65
Fire-and-Forget
0
Top-Attack Capability
0
Portability
70
Counter-Measure Resistance
50
Reliability
55
Technology
70
Cost-Effectiveness
40
ⓘ Regardless of era, the same scoring system applies to all units in the anti-tank guided missiles (atgm) category.
01 / Overview
MGM-51 Shillelagh
Prime contractor
Production
1966–1971
Quantity
88,000
Unit Price (current)
$32.2K↗ 695% inflation · 1971→2025
Original Price
$4.1K (1971)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ANTI-TANK GUIDED MISSILES (ATGM) · COLD WAR
27
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
$32.2K
Original: $4.1K (1971)
Inflation: +%695
46
anti-tank guided missiles (atgm) category
ⓘ Performance/Price and MASS score are computed across all units in the anti-tank guided missiles (atgm) category, regardless of era.
02 / Specs & Design
◎General7MOD.7
  • Missile Typeanti-tank guided missile
  • DesignerFord Aeronutronic
  • Length0.914 m
  • Diameter152 mm
  • Wingspan / Fin Span292.1 mm
  • Launch Weight27 kg
  • In ServiceNo
▣Propulsion5MOD.5
  • Propulsion Typesolid-fuel rocket
  • Motor Typesolid-fuel rocket motor
  • Boost StageYes
  • Two-StageNo
  • Fuel / Propellantsolid propellant
◇Performance5MOD.5
  • Minimum Range0.731 km
  • Maximum Range3.05 km
  • Top Speed323 m/s
  • Flight Profilegun-launched, boost then rocket sustained flight
  • HypersonicNo
◆Warhead6MOD.6
▤Launch Platform6MOD.6
⬢Production5MOD.5
  • Total Production88,000
  • Unit Cost4,052 USD
  • Operators1
  • Variants3
  • Production Start1,964 year
▲Warhead Detail3MOD.3
  • Detonation Mechanism / Fuzeimpact
  • Explosive Filler Weight3.63 kg
  • Explosive Filler TypeShaped Charge Warhead including of Octol Explosive able to defeat of RHA at 0° obliquity
03 / History
SERVICE LIFESPANRetired
  1. 1966Production started
  2. 1971Production ended
60
years in service
5
years in production
88,000
units produced
0
countries operating
ⓘ 2 countries retired it.
04 / Operators
Operator Countries2country
📖 TERMS ON THIS PAGE4terms
The initial propulsion phase where a high-thrust motor accelerates the missile to operational velocity.
Launched from a ground-based platform, such as a vehicle or tripod, rather than an aircraft or other airborne system.
Electromagnetic radiation with wavelengths longer than visible light, used in missile guidance systems to detect and track targets based on heat signatures.
Enables real-time sharing of position, targeting, and sensor data among aircraft and platforms for coordinated combat operations.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Anti-Tank Guided Missiles (ATGM) entry →