Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the hand grenades category.
01 / Overview
M31 HEAT rifle grenade
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
HAND GRENADES · EARLY COLD WAR
8
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the hand grenades category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Weapon TypeRifle grenade
- Service Entry Year1950
- Weight0.709 kg
- Calibre66 mm
- Length430 mm
- In ServiceYes
◈Operation6MOD.6
- Action TypePiezoelectric impact
- Crew1
- Single-Use / DisposableYes
- Shoulder-FiredYes
- Reload TypeManual spigot launcher
- Sight TypeIron sights
▣Performance4MOD.4
- Effective Range115 m
- Maximum Range185 m
- Minimum Arming Range10 m
- Projectile Weight709 g
◇Warhead & Effect6MOD.6
- Warhead TypeHEAT
- Penetration (RHA)200 mm
- HE RoundYes
- HEAT RoundYes
- Tandem ChargeNo
- Thermobaric RoundNo
◆Ammunition1MOD.1
- Ammunition TypesM3 ballistic cartridge
▤Production2MOD.2
- Operators3
- Variants0
03 / History
SERVICE LIFESPANStill in Service
- 1943Entered service
- 1945First deployment: Cold War
- 1950Production started
- 1979Production ended
76
years in service
29
years in production
3
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
HAND GRENADES RANKING Hand Grenades · Early Cold War
MASS RANKINGSMASS ↗
88HAND GRENADES8EARLY COLD WAR · HAND GRENADES2022UNITED STATES · ALL WEAPONS91PERFORMANCE/PRICE · HAND GRENADES
ⓘ Rankings are within theHand Grenadescategory.
📖 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.
High-explosive anti-tank round fired from underbarrel grenade launchers, designed to penetrate armored targets using a shaped charge warhead.
A portable rocket or missile launcher designed to be operated by a single soldier from the shoulder.
A single-use or disposable underbarrel grenade launcher is a type that is intended to be used once and then discarded, often due to its low cost or limited functionality.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources