Data Quality86%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the hand grenades category.
01 / Overview
Type 99 grenade
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
HAND GRENADES · WORLD WAR II
4
PERFORMANCE/PRICE
94
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 Typehand grenade
- Service Entry Year1939
- Weight0.3 kg
- Calibre41 mm
- Length87 mm
- In ServiceNo
◈Operation1MOD.1
▣Warhead & Effect2MOD.2
- Warhead Typefragmentation
- HE RoundYes
03 / History
SERVICE LIFESPANStill in Service
- 1937First deployment: Second Sino-Japanese War
- 1939Production started
- 1945Production ended
87
years in service
6
years in production
1
countries operating
ⓘ The producing country still actively operates it.
04 / Conflicts
TYPE 99 GRENADE · CONFLICTS SERVED IN0% win
Total Conflicts
1
Victories
0
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Variants
▚ WEAPON FAMILY
Type 99 grenade 
07 / MASS Score
HAND GRENADES RANKING Hand Grenades · World War II
MASS RANKINGSMASS ↗
42HAND GRENADES4WORLD WAR II · HAND GRENADES136JAPAN · ALL WEAPONS58PERFORMANCE/PRICE · HAND GRENADES
ⓘ Rankings are within theHand Grenadescategory.
📖 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.
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