Federal Trophy Tip:
http://www.cabelas.com/product/Shoot...ion/740265.uts
They are advertised as nickel plated brass and bullet, but I assume that like a 5 cent nickel that the plating is a nickel/copper alloy (the 5 cent coin is only 25% nickel, and 75% copper).
I've not seen the Federal trophy tip bullets sold straight to reloaders.
Jimro