True archer unfortunately it's homegrown
HD: d8
Base Attack Bonus: +1/lvl
Good Saves: Fort/Ref
Starting proficiencies: Light Armor, but not shields, Simple Weapons, Shortbow, Longbow and Greatbow
Class Skills (8+int mod/level, x4 at level 1): Balance, Climb, Craft, Disable Device, Escape Artist, Handle Animal, Hide, Intimidate, Jump, Knowledge (Geography, Local and History), Listen, Move Silently, Open Lock, Profession, Ride, Search, Spot, Survival, Swim, Tumble, Use Rope
Level/Ability
1/ Archery Style, Bonus Feat
2/ Evasion, Weapon Focus: Bow of Choice
3/ Uncanny Dodge
4/ Eagle Eye +1, Weapon Specialization: Bow of Choice
5/ Bonus Feat, Improved Archery Style
6/
7/ Improved Uncanny Dodge
8/ Eagle Eye +2, Greater Weapon Focus: Bow of Choice, Ranged Weapon Mastery
9/ Improved Evasion
10/ Bonus Feat, Greater Archery Style
11/ Elemental Arrow 1/day
12/ Eagle Eye +3, Greater Weapon Specialization: Bow of Choice
13/ Elemental Arrow 2/day
14/
15/ Bonus Feat, supreme Archery Style
16/ Eagle Eye +4, Elemental Arrow 3/day
17/ Golden Arrow 1/day
18/ Elemental Arrow 4/day, Weapon Supremacy: Bow of Choice
19/
20/ Bonus Feat, Eagle Eye +5, Elemental Arrow 5/day, True Archery Style
Archery Style -> At level one a true archer must decide to become a Volley Archer or a Sniper Archer. volley: Rapid Shot, Sniper: camouflage as the ranger ability.
Bonus Feats -> These feats are chosen from the Scout list of bonus feats.
Eagle Eye -> The True Archer gains an insight bonus to their attack rolls with ranged weapons.
Improved Archery Style -> Volley: Many Shot, Sniper: Power Shot (acts as power attack for projectile weapons)
Greater Archery Style -> Volley: Improved Rapid Shot, Sniper: When using the sniping maneuver (under the skill hide in PHB) you take only -10 to your hide check.
Elemental Arrow: The True Archer can add 5d6 of damage from a single element to a single attack.
supreme Archery Style -> Volley: Greater Many Shot, Sniper: Hide in Plane Sight, and they can now hide from creatures extraordinary senses (Scent, Blindsight, ect...).
Golden Arrow -> Once per a day the True Archer may make a single attack that cannot miss, but still rolls to see if a critical is struck. This ability must be used before an attack roll is made.
True Archery Style -> regardless of style the crit range and multiplier of the bow type which you have supremacy with increases (this stacks with improved crit and keen) in addition a volley archer gains arrow storm as a spell like ability 3/day while the sniper archer may turn any shot into a slaying arrow with a fort DC of 10 +1/2 level + Dex Mod 3/day