Rapid Reload
(Epic Level Handbook, page 70, DnD 3.0)
[General]
You reload a crossbow more quickly than normal.
Prerequisite
Base attack bonus +2, proficiency with the crossbow used
Benefit
You can reload a hand crossbow or light crossbow as a free action that provokes an attack of opportunity. You may reload a heavy crossbow as a move-equivalent action that provokes an attack of opportunity. You can use this feat once per round.
Normal
Loading a hand crossbow or light crossbow is a move-equivalent action, and loading a heavy crossbow is a full-round action.