You can prey on any gap in your foe’s guard with impunity, and with even greater range.
Benefit: Whenever you make an attack of opportunity using a ranged weapon and hit, you gain a +2 bonus on the damage roll and a +2 bonus on rolls to confirm a critical hit with that attack. These bonuses increase to +4 when you have base attack bonus +16, and to +6 when you have base attack bonus +20.
Pathfinder Roleplaying Game Ultimate Combat. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.