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M40A1

Recoilless Rifles · United States · 1951
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M40A1

* Absolute score — assessed within category · no era adjustment
Penetration
55
Effective Range
60
Accuracy
65
Lethality
70
Portability
30
Ammunition Versatility
60
Rate of Fire
30
Reliability
70
Backblast Management
35
Cost-Effectiveness
65
Origin United States
CategoryRecoilless Rifles
EraEarly Cold War
In service1951
Operators21 countries
Data Quality88%
MASS(Military Archive Scoring System)
57
Recoilless Rifles MASS Rating
8/11
Early Cold War
12/23
All-Time
Recoilless Rifles · 10 axes scored
Penetration
55
Effective Range
60
Accuracy
65
Lethality
70
Portability
30
Ammunition Versatility
60
Rate of Fire
30
Reliability
70
Backblast Management
35
Cost-Effectiveness
65
ⓘ Regardless of era, the same scoring system applies to all units in the recoilless rifles category.
01 / Overview
M40A1
Production
1951–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
RECOILLESS RIFLES · EARLY COLD WAR
8
PERFORMANCE/PRICE
62
UNIT COST (2025 USD)
—
57
recoilless rifles category
ⓘ Performance/Price and MASS score are computed across all units in the recoilless rifles category, regardless of era.
02 / Specs & Design
◎General4MOD.4
  • Weapon Typerecoilless rifle
  • Service Entry Year1951
  • Weight210 kg
  • Calibre106 mm
◈Operation2MOD.2
▣Performance3MOD.3
  • Muzzle Velocity1,000 m/s
  • Effective Range1,100 m
  • Maximum Range2,000 m
◇Warhead & Effect2MOD.2
03 / History
SERVICE LIFESPANStill in Service
  1. 1951Production started
75
years in service
10
countries operating
ⓘ The producing country still actively operates it. 11 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.
High-explosive anti-tank round fired from underbarrel grenade launchers, designed to penetrate armored targets using a shaped charge warhead.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Recoilless Rifles entry →