There is no rocket science here. Follow these basic steps and you'll see huge improvements in your rifle if you can halfway shoot. Ignore any of it, then good luck.
The basics-
First MEASURE your bore size. It doesn't matter what you think it is, what somebody said, or what an original is. The repops vary widely. With that in hand, get a sampler of minies from these guys and these guys only-
https://www.lodgewood.com/Bullets_c_7.html
Track and the others are fine for round ball stuff, but for military minies, the guy casting for Lodgewood is a N-SSA competitor and knows his stuff. I don't trust anybody else. Once you know what works, order that mold and cast from
pure lead only and size to .001 under the known, measured bore size. Dip lube the rings only in melted beeswax/lard, crisco, olive oil, tallow. Use
only real black powder. Use RWS or Scheutzen caps. CCI are reenactor caps and made for blanks. They'll ignite the charge, but kiss any consistency buh bye. And yes, my charges are not "service" charges, BUT "service" charges are also not made from Swiss, nor are they 3f. Swiss is hotter than regular Scheutzen or Goex and requires reducing the charge by 10% to get the same performance levels. Using 3f requires reducing the charge by about a further 5% so my actual "power" level is about the same as a 52-55g "service" charge. Don't get hung up on the "historic" stuff. Powder manufactured now isn't the same as back then nor are any other components you're going to use except for tallow. Shoot what works best and to perdition with what the "service" charge was from back in the day made in wartime conditions by the lowest bidder.
If you want paper cartridges, bless yer heart, enjoy. I used to reenact and have shot my share of them in blanks as in live fire on my own. I now shoot competition with these guns and look for accuracy and consistency. I also use a set of 1863 Remingtons aka "Zouaves" in doing youth instruction with minies.
But what would I know about shooting minies-
"Zouave" with Scout camp load- 580 RCBS Hogdon, 45g 3f Scheutzen, beeswax/lard, Scheutzen caps- 10 Shots
OFFHAND at 50yd target squares are 1in.
View attachment 181556
Now for my competition guns-1862 Colt Contract- .580 Rapine Trashcan, 44g 3f Old E, Lens Lube, RWS caps
View attachment 181550
P58 Parker Hale Birmingham- .576 RCBS Hogdon, 42gr 3f Swiss, beeswax/lard, RWS caps 50yd
View attachment 181551
Parker Hale Musketoon- .576 RCBS Hogdon, 43g 3f Old E, beeswax/lard, RWS caps
100yd
View attachment 181552
and the money shot-
same P58 Parker Hale, load data on target. Yes, there is one first shot flyer on the clean bore 3in high, 4 subsequent shots are in the big hole 1/2 right of center.
View attachment 181553