|Year||1921 (Type 10)|
1931 (Type 91)
1937 (Type 97)
1939 (Type 99)
|Weapon Type||Hand Grenades|
|Origin & Designer||[@designer]|
50g Explosive (Type 10)
65g Explosive (Type 91)
65g Explosive (Type 97)
58g Explosive (Type 99)
|Combat Weight||530g (Type 10)|
530g (Type 91)
450g (Type 97)
300g (Type 99)
|Operation||Detonation: 7 to 8 Seconds (Type 10)|
Detonation: 7 to 8 Seconds (Type 91)
Detonation: 4 to 5 Seconds (Type 97)
Detonation: 4 to 5 Seconds (Type 99)
|Practical Rate of Fire||[@practical_rate_of_fire]|
|Maximum Rate of Fire||[@maximum_rate_of_fire]|
|Notes||These four grenades were the most common that were issued to Japanese troops as standard hand grenades, but most could be fired by launchers and dischargers to give them more range.|
The Type 10 Grenade could be fired by the Type 10 grenade discharger.
The Type 91 could be fired by the Type 100 rifle grenade Launcher and the Type 89 grenade discharger.
The Type 97 was a standard hand grenade that was primed by hitting the bottom cap against a hard surface such as a helmet to release the spring.
The Type 99 could be fired by the Type 100 rifle grenade launcher.