You are skilled in lining up accurate, deadly shots with your bow or crossbow. Perhaps you add custom-made sights to your weapon, or you have learned to maximize the stability and precision the weapon offers.

Weapon Focus (Shortbow, longbow, hand, heavy, or light crossbow), Weapon Proficiency with Shortbow, longbow, hand, heavy, or light crossbow, Base attack bonus +1

When using a bow or a crossbow for which you have the Weapon Focus feat, you gain a bonus on damage rolls equal to 1/2 your Dexterity bonus. If you have the skirmish or sneak attack ability, point blank shot feat, many shot feat, or any other ability or feat that relies on precision and limited to 30 feet, the maximum range at which you can make such attacks increases to 60 feet when you are using a bow or a crossbow for which you have the Weapon Focus feat.

This feat also works with firearms.