Can you spot the difference? And please explain why? Did Nosler change something, obviously the design on the front of the box but wouldn’t think the MV would change? Or am I just inexperienced and is it normal for factory ammo to change
Nosler may have revised how they loaded the ammo, tested the loads (different barrel lengths), or retested them by different methods, but I’d try shooting it and seeing if POI or group size shifted. Starting velo obviously changed, which changed the entire chart. Box charts are only theoretical regardless, and different lot numbers of the same ammo can shoot very differently. How it shoots out if YOUR gun is all that matters.
Like others have stated those numbers are just a guess at best. If you are going to use factory ammo you need to chronograph them and shoot them at distance to verify drops. There are many factors that can contribute to velocity changes also.