Rise of the Runelords
At 1st level, the sniper gains Expert Sniper as a bonus feat.
At 3rd level, when a sniper attacks with a bow or crossbow she may add her Dexterity modifier to the damage roll.
At 11th level, a sniper may attempt to use Stealth after making a full attack action as a swift action, but at an additional -10 penalty to the check (for a total of -30 to Stealth). At 19th level, the penalty for using this ability is reduced to 0 (for a total of -20 to Stealth, as normal).
This ability replaces Finesse Training.
Deadly Range (Ex)
At 3rd level, a sniper increases the range at which she can apply her sneak attack damage by 10 feet. This range increases by 10 feet for every 3 levels after 3rd.
This ability replaces Danger Sense.
Uncanny Aim (Ex)
At 4th level, a sniper can make a sneak attack on an enemy that is being flanked by two allies.
This ability replaces Uncanny Dodge.
Improved Uncanny Aim (EX)
At 8th level, the sniper gains a flanking bonus on the attack rolls against that target as if she was one of the flankers.
This ability replaces Improved Uncanny Dodge.