Shoot the one that works best in your gun. In my Win '70 .270, I can shoot Remington 130 PSP and Federal Classic 130 PSP interchangably (same point of impact). Winchester 130's group equally well, but the point of impact is several inches off from the other two therefore they are not interchangeable (I would have to rezero the scope).
However, if I load up 150's, my groups suddenly start looking more like something a shotgun would shoot. It just doesn't like 150's.
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