I'm wondering if anyone has experience loading/using the Barnes XFB spitzer, in .45-70, in a Ruger #1, Shiloh and/or Browning 1885, in any bullet weight. The Barnes manual lists this as a bullet for the .458 Winchester but I'm wondering if it's appropriate for the .45-70. The Barnes manual specifies a flat nose X-Bullet for the .45-70.
Thanks, in advance, for your help.