Caleb, for safety and warranty reasons, I would get accurate information directly from CONNECTICUT VALLEY ARMS at 770-449-4687 or by email inquiry here : https://cva.com/help-center/

however many it takes to be between 50- 150grains from CVA "MINIMUM AND MAXIMUM LOADS CVA MUZZLELOADERS CVA recommends a minimum of 50 grains, by volume, of blackpowder or blackpowder substitute in your CVA muzzleloader rifle. The maximum load in CVA break-action guns, and any other CVA in-line gun designated as a “Magnum” is 150 grains by volume."