I've been using Sierra 150gr. HPBTs in my .308Win., and find it's quite accurate in front of IMR4895 44.0grs. It has grouped as well as .543" (5 at 100yds.) and can be counted on to come in around .7". I use F210M primers and Lapua cases. I seat this load out pretty far at 2.805" so that bullet is not very far into the case. You might give it a try. Best wishes.
Cal - Montreal
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