.45 Caliber Muzzleloader Ammo Lot - Hodgdon Pyrodex and Powerbelts. I have 28 of the now-discontinued Pyrodex Pellets and 16 Powerbelt bullets for a .45 caliber muzzleloader. The pellets are 50 grain BP equivalent charges and the bullets are 195 grain copper jacketed. Sold the rifle and no longer need these. Always stored in a sealed ammo can with dessicant.