3.5 What Prcs are good for a crossbow user?

[ShurikVch]

Well, Cragtop Archer (Races of Stone), despite the name, works with any projectile weapon - not just a bow

Peerless Archer (Silver Marches) is more bow-oriented, so ask your DM if it will work; at the very least, you may get 1-level dip for Ranged Sneak Attack; if DM approves it, you may also get access to Sharp Shooting (negates enemy's cover), or even Power Shot (works like "ranged Power Attack")

Spoiler: Sources of precision damage for 1-level dips

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Base classes:
Ninja (Complete Adventurer) //Sudden Strike
Psychic Rogue
Rogue
Scout (Complete Adventurer) //Skirmish
Spellthief (Complete Adventurer)
Stealthy Fighter

PrC:
Assassin
Avenger - it's "April, 1st", but still may work
Avenging Executioner (Complete Scoundrel) //Sudden Strike
Dread Commando (Heroes of Battle) //Sudden Strike
Dread Fang of Lolth (Drow of the Underdark) //Sudden Strike
Fist of Dal Quor (Secrets of Sarlona) //Sudden Strike
Flesheater (Dragon #300)
Guild Thief (Forgotten Realms Campaign Setting)
Master of Masks (Complete Scoundrel) - with Assassin Persona Mask
Nightsong Enforcer (Complete Adventurer)
Ninja of the Crescent Moon (Sword and Fist)
Oppressor (Dragon #312)
Poisoner (Dragon #312)
Replacement Killer (Dragon #312)
Scorpion Wraith (Secrets of Xen'drik) //Sudden Strike
Shadow Thief of Amn (Player's Guide to Faerûn)
Unseen Seer (Complete Mage) //doesn't give new SAs, but improves existing ones

Also, it's depend on: which ability score will be your best one?

Dexterity?
Fighter with Targeteer ACF (Dragon #310) and Hit-and-Run Tactics (Drow of the Underdark); take Crossbow Sniper (Player's Handbook II) and Dead Eye (Dragon Compendium) feats; Fierce SA on crossbow (+2, Arms and Equipment Guide)

Intelligence?
Dip in Factotum, then go Psion-Kineticist - to manifest the Control Body.

Wisdom?
Try to dip in Shiba Protector (Oriental Adventures); check if it possible to do it as Illumian with Aeshoon word (and if yes - get some source of Turn(/or Rebuke) Undead)

Charisma?
If you're a Fey - take Charming the Arrow feat; if you have access to Turn(/or Rebuke) Undead - then Divine Might feat (Complete Warrior) may be decent choice; if you have Bardic Music - try to acquire Slippers of Battledancing (Dungeon Master's Guide II); if you're Hexblade - Hexbands (Magic Item Compendium); if you're Lawful - think about a 3-levels dip in Samurai (Kiai Smite works on ranged attacks)


Also, in the Fiendish Codex II: Tyrants of the Nine Hells was mentioned Hellfire Crossbow; it shooting hellfire instead bolts - up to 400' (no range increment); you must be baatezu to use it; unfortunately, book dosn't mentioned how much it cost


Oh, and Fountainhead Arrow (Magic Item Compendium) may be made as a crossbow bolt; it create wherever it hit 10' pool of acid which cause 2d8 damage for 3 turns
I mentioned it, becausemagical bolts are sold in batches of 50
306 gp for 50 acid-puddle-creating bolts is rather cheap...