Of the two you've selected ...I like the Berry's a lot more ...because they're more consistent in terms of variation ( + - 0.3 grain or so ) ...where Rainier has a tendancy to vary a lot more ...( + - 0.8 grain or so ) ....
The variation has to do with how they process the bullets in their plating process...and how thick it is / etc...
Neither bullet - will be as consistent as a true jacketed bullet ...like Montana Gold ...but Montana gold is a little more expensive too.
For Rainier ...they tell you to use mid range .... "lead bullet data" ....
..for Berry's they tell you to use jacketed data - but don't push them over 1200 fps.
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