Player > Feats > Deadly Aim
Your can strike your enemies’ weak points and deal more damage.
Base attack bonus +1.
When you take the attack or full attack action with weapons (including a solarian’s solar manifestation, but not spells or other special abilities of any kind), you can take a –2 penalty to your attack rolls. If you do, those attacks deal additional damage equal to half your base attack bonus (minimum 1).