Endurance

Endurance increases the amount of ammo a weapon can carry. Basically the weapon can reload more times. Do not mistaken endurance for the amount of bullets fired.

Small Endurance Modkit
The small endurance modkit is used for beginners that cannot afford Medium or Large Modkits. It is also sometimes used by experienced players to test modkit combinations. The small endurance modkit gives 2 Clip bonus(meaning more ammo).

Medium Endurance Modkit
The medium modkit is used as an alternative for a large modkit. It gives 3 Clip bonus.