You gain increased proficiency with ranged weapons. You may use Light/Simple ranged weapons without penalty, and now take only a -2 penalty with Heavy Martial ranged weapons (longbow/heavy crossbow). In addition, your misses with basic ranged attacks now deal damage equal to your level.
You may now use even Heavy Martial ranged weapons without penalty.
You can use your Intelligence modifier as the attack and damage ability for basic ranged attacks.
Your crit range for ranged basic attacks expands by 1 (usually to 19+) and you may target Physical Defense with your basic ranged attack once per battle.