Beretzs,
That's the same bullet I settled on in my 50. I used 120 grns of Goex Express FG, so its 50-120-700. I've taken animals up to around 700 pounds with it, and only recovered 1 bullet, that from a blue wildebeest at 217 yards. The bullet broke and shattered bone for around 9 inches (shoulder and vertebrae ) and came to rest under the off side hide.
Have fun!
Regards,
Manny
