You can fire a veritable storm of arrows at nearby opponents.
Prerequisites: Dex 23, Point Blank Shot, Rapid Shot, Weapon Focus (type of bow used).
Benefit: As a full-round action, the character may fire an arrow at his or her full base attack bonus at each opponent within 30 feet.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 67.