l have been using the berger classic hunter 168gr for sambar successfully in my 30-06, wincases and 2209 powder at 2860fps,
l use these because of they way they fragmentat not because of the weight
l have also had luck with sierra and hornady 150gr bullets on fallow, sambar, reds and pigs
the 30-06 was made to use 150gr bullets, and they can put anything down, of course you can use heavier but IMHO shot placement with good bullets means more than weight, l do see why a shooter would use heavier bullets at shorter distances on running game
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