RE: request for cva muzzleloader
If you have the Speer 50 caliber bullets (i.e. SPEER BULLETS500 S&W .500 DIA. 350GR JACKET SOFT POINT 50 PER BOX) they can not be used in a 50 caliber muzzle loader with sabots. As Cayugad said, you need the .451 or .425 diameter bullets.