Mauser the Hornady 165 IB should be ok for both critters. From tests I have read penetration in thick media has shown to be less than the Nolser Partition or Nosler Accubond but expansion and weight rentention is higher in IB.

BTW the IB is not called the SST-IB any longer, the SST is the same as a NBT, just so your aware you want the IB not SST!