Actaea

Reliability. The probability that a weapon will malfunction and require repair. This can happen during firing, or due to certain events (swimming in water, combat in sandy terrain with strong winds, and so on).
AMMO is used for HANDHELD/UNDERBARREL GRENADE LAUNCHERS.
GRENADES are used for HANDS.
Ammunition for weapons is issued in full and can only be obtained during the mission by the player's own efforts.