Star Wars: A Flicker of Hope
You are highly accurate with grenadelike weapons.
Prerequisite: Strength 13.
Benefit: You can add your Strength bonus (in addition to your Dexterity bonus) to your ranged attack bonus when using thrown weapons (including grenades and grenadelike weapons). Also, you can increase the length of each range category by a number of squares equal to your Strength modifier.
Source: The Force Unleashed Campaign Guide, p. 33.