Needs review
Source: Player's Handbook II

Description: You have mastered a wide range of ranged weapons.

Prerequisites: Weapon Focus, Base Attack Bonus +8, Weapon Specialization, Weapon Proficiency

When you select this feat, choose bludgeoning, piercing, or slashing. You must have Weapon Focus and Weapon Specialization with a ranged weapon that deals this type of damage. When using any ranged weapon that has the damage type you selected, you gain a +2 bonus on attacks and a +2 bonus on damage. In addition, you increase its range increment by 20 feet.

Special

You can select this feat more than once. Each time, you can select a new damage type. A fighter can choose Ranged Weapon Mastery as one of his fighter bonus feats.