SRD:Epic Weapon Specialization

Prerequisites
Epic Weapon Focus, Weapon Focus, Weapon Specialization (all in the chosen weapon).

Benefit
Add +4 to all damage the character deals using the selected weapon. If the weapon is a ranged weapon, the damage bonus only applies if the target is within 30 feet.

Special
A character can gain this feat multiple times. Its effects do not stack. Each time the character takes the feat, it applies to a different type of weapon.