I received several boxes of winchester supreme ammo loaded with ballistic silvertips. I have been told that if you don't shoot these from a totally clean barrel the accuracy will be hell. I am not so worried about the accuracy as I plant o shoot these as part of breaking in a new barrel. But I was also told that cleaning out the coating that the lualox leaves is a pin in the a##. I was als otols that the nickel plated case were really hard on reloading dies and that I should avoid using them. Just seems a shame to throw away so many.