While prone, you use the ground to stabilize your aim while using a crossbow or firearm.
Prerequisite: Base attack bonus +1
Benefit: If you have been prone since the end of your last turn, the penalty to your Armor Class against melee attacks made against you is reduced to –2. In addition, the bonus to your Armor Class against ranged attacks made against you is increased to +6.
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.