Welcome to FTF. You may be able to find rounds at ammotogo.com
Not sure on what you do or don't have for reloading or where you would get stuff for the .500 maybe brownells.
Just a side note, make damn well sure you keep your digits clear of the cylinder area or you may lose them.
No Longer affiliated with Old Mill Gun Shop
Last edited by mountainman13; 09-10-2012 at 11:03 AM.