I typically use 140+ grain bullets for my 6.5 Creedmoor, 140g Nosler Partitions or 143g Hdy ELD-X, IMR 4451 or Ramshot Hunter powders have done well on paper for me. No on-game results yet, a situation I intend to remedy this season, both with mule deer and elk.
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You might also try IMR 4451. Have had good results loading for my Dad's 270 WSM, 60.5 grains with Barnes 129gr LR-X.
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