Weapon Specialization

The character is skilled at dealing damage with one weapon. Choose one type of weapon (including unarmed strike or grapple) for which the character has already selected the Weapon Focus feat. The character deals extra damage when using this weapon.
Prerequisites: Proficiency with selected weapon, Weapon Focus with selected weapon, base attack bonus +4.
Benefit: The character gains a +2 bonus on all damage rolls made using the selected weapon.
Special: A character can gain this feat multiple times. Its effects do not stack. Each time the character takes this feat, it applies to a new type of weapon.