Not used 270wsm but did own 2 300wsm, i was only using 150gr BT's and 180gr accubond handloads. They worked well , all one shot bang flop kills out to 600m. After running 150gr LRAB's in standard 270win i would be more than happy using those in a 270wsm with devastating effect much like the hornady ELD's in the other cals I've tried.
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