Just checked the Federal web site. Thought they would be less biased than Remington or Winchester. There is a difference in drift between the 270 and 280.
With each loaded with the 150gn nosler partition (just to compare apples with apples) in a 10mph wind, the 280 drifts 0.1 of an inch (2.45mm) less at 500 yards. About a third of the width of the projectile. Hardly enough to turn a chest shot into a gut shot.
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