My Kibler Rifle likes a .445 Hornady Roundball, .020 patch with Mr. Flintlock Lube and 50 grains of Olde Ensford 3F. I don't have any trouble with loading it even after shooting about 20 shots.
Glad you are happy with your rifle, Big Bubba. You could/should be a LOT happier.
Both Bob Hatfield and Don Adams are spot-on for loading. My suggestion, big bubba, is to convert any sheet .010" into handkerchiefs for blowing your nose into.
As a patch material, they suck.
A nice smoothly radiused muzzle crown does a long way to providing for easy loading just such a combination.
Muzzle on the left is a GM .45. It is less than 1/8" deep- just a nice, smooth curve. This allows the patch and ball to conform into the rifling, then it goes down easily with
the rifle's rod. Send me a PM with your e-mail address and I will send back a short video of loading that rifle.