9.3x62 for elk...
The Factory Norma 286 gr. Oryx would be a good choice.
With a MV of 2360 fps, a scoped rifle sighted for 200 yards will give you a MPBR(6") of 235 yards.
... and a drop at 300 of 12.5".
Ballistics at those three ranges are ~ (1915 fps/2320 lb-ft), (1860 fps/2190 lb-ft), and (1710 fps/1860 lb-ft), respectively.
If you know the range and the dope, the bullet should perform nicely.
GR