Something happened, it posted before I wanted. I started to say over the years I have had muzzle loaders from 410 to a huge 7 bore. I have loaded and shot them all the same. Other than the 410 and my 20ga I use Fg, it always seem to work well for me. As far as wads I have found that one thick over powder wad and thin over shot wad work the best for me.
I have all these smooth bores because I love to hunt with them, so I want to be able to load as fast and safely as possible. Heck when setting in your blind and the Geese are coming in and you have an empty gun I don't want to fool around with 3 or 4 different wads its hard enough with just 2 kinds. So keep it simple if possible.
As far as using guns with no choke, that some folks say is a handicap I think it has made me a better hunter. I had my Navy arms gun choked to shoot steel shot, because I refused to stop hunting with a ML when we had to go to non-toxic shot. I may have to go back to Steel when I run out of Bismuth I have been unable to afford the new ITX shot that has come out, but I have heard that it shoots well in ML's. Anyway the gun will shoot like a modern gun with Lead or Bismuth, so for the most part I lend it to friends that want to try coal burning and I shoot my un-choked guns.
It all boils down to getting your gun out and finding the most consistent patterns possible. What works in my guns may not be the best thing in yours. I have tried all kinds of stuff that was supposed to give you better patterns from plastic and paper shot cups to pillow ticking. I always seem to go back to my hard card wads and Fg. I'm not saying that there is no place for cushion wads, in my guns anyway I see no improvement. There have been times when I had to use FFg in my guns when I couldn't find any Fg, there is no one that has it in the town I live in. From experience I know that it will effect my patterns so I make sure that I take closer shots, thats all, it wont stop me from hunting or shooting my ML.
So get your gun out and have some fun.
Bob