I've seen a bunch of 9.3 bullets used from the 9.3x62 on deer-sized game, and all have expanded well: 232 Norma Oryx, 250 Barnes X (pre-TSX), 250 Hornady GMX, 250 Nosler AccuBond, 270 Speer Hot-Cor, 286 Hornady Interlock, 286 Norma Oryx and 286 Nosler Partition. The monolithics haven't killed as quickly with typical lung shots as the lead-cored bullets, but no animal went over 75 yards.
If I was going to pick just one of them for deer-sized game, it might be the 286 Hornady, just because it does the typical 9.3x62 job of killing well, while penetrating deeply without shooting up a bunch of meat, but doesn't cost much!
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