Quote Originally Posted by wagnerloeher View Post
Normal reloading of two-handed firearm: full-round action.
Rapid Reload feat: goes to Standard Action (comes for free on level 1 of Musket Master)
Fast Musket Grit (requires to have 1 grit point in the pool): goes down to a move action.
Alchemical Cartridges, reduces reload time another step (Move > Free).
Craft them yourself to save $$
To save some money at lower levels, always start fights with "normal" bullets/powder loaded, and only reload with Cartridges when you need to.