Right off the bat I'll try some 360 PR Extreme Elite HP's as that just happens to be what I have on hand at the moment. I have 2f, 3f Goex 2f T7, 2f AP (got to use that crap up). I have some T7 pellets but I don't think they'll work too well out of a percussion gun unless I duplex the load and that's a PIA.
I also have some .458 Hornady RN and orange mmp sabots so I might try to fling a few of them down range as well.
HA