I also have some that shoot 1st shot dead nuts. Those are the ones I usually hunt with - simply because I don't want that corrosive black powder fouling in my bore for too long.
I hunt with a fully clean barrel also
bronco. That's why I was pleased with the fourth target. After I get a little more range time with this gun I'll be setting the sights for dead on at 75 yards with a clean barrel. If the first and second targets are any indication, a second shot with a fouled barrel will be on 1 & 1/2 to 2" lower than the clean barrel shot.