Sharp-Shooting( Complete Warrior, p. 105)
[Fighter Bonus Feat, General]
Your skill with ranged weapons lets you score hits others would miss due to an opponent's cover.
Your targets only receive a +2 bonus to Armor Class due to cover. This feat has no effect against foes with no cover or total cover.
A fighter may select Sharp-Shooting as one of his fighter bonus feats.
Cover normally gives a +4 bonus to AC.