RWK:
I would use a Barnes 225 gr. "TTSX". I loaded the Barnes .225 "X" for my cousin's .338 Win. Mag. using RL19 moving at 2,900 f/s. .75" 3 shot group at 100mm. These loads have killed 5 oryx in NM. The bullet busted through both shoulders and kept going. All the oryx died where they stood...