Setting Base Attack on Weapon vs Combatant

I am using the 3D Action RPG tutorial as a guide as I set up my own system and have gotten to the point of adding player attacks. Instead of adding "own base attack" to the combatant I would like to be able to have the equipment set the base attack so it changes with different equipment. I see where to override base attack on the equipment but I do not see an option for "Action Stop Resets Index" as discussed in the tutorial. Is that setting only available on the combatant or am I missing it on the equipment settings?