I had to buy a new box of balls for my 1858 Reminigton (Pietta)
So I have loaded & shot over 100 rounds.
Some things I have learned:
#11 caps CCI or Remington always go off for me.
The cylinders from Bass Pro Shops work 100.%
My best load is still 25 grains. I have tried more and it is just more smoke.
The only ball I have shot is the Hornandy 454. (swaged-143 grains)
I have tried filling in the cylinder with Grits to keep the ball up close to the barrel but I don't think it helps.
Loading up with the flask is not consistent, I get light loads once in a while.
It is better to use the Tru-View and reading glasses method and get the right amount.
Wonder Wads and my own Crisco/wax mixture work O.K. for me.
I never see any fouling. I clean and grease the gun every time I shoot.
Work up the "Sight Picture" for the distance you are shooting, enjoy the delay between hammer fall and ignition.