Elemental Ammunition

For one minute or until you cast the spell again, the damage of all of your attacks made with ranged weapons becomes elemental damage of your choice: cold, fire, lightning, thunder, acid, or poison. In addition, your ranged weapon attacks do an additional 1d6 of the chosen damage type. If you have any abilities related to elemental damage (e.g. the Elemental Adept feat) then you may use those effects in conjunction with this spell.

Using a Higher-Level Spell Slot. The extra damage increases by 1d6 every two levels you upcast beyond third level.