I use the new noncorosive Black Horn 209 . I also use the FPB form Hornady no more problem don't clean very often always will check sights one last time before season then load for the season no cleaning wiping.
And the best conical accuracy I have seen. Since as far as I know no one has yet taken game with the it will be interseting to see the first reports come in. The testing that has been done on ballistic jell looks promising. Lee