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there are shitloads of GREAT .284 projectiles in 130-150grn range that will serve you well...dont overthink it...basic cup n core will do the job...softer and sleaker for out long (speer btsp or ELD...

find an old reloading manual...the nosler #2 is really good as it old Nick Harvey manuals...this is NOT for load data..although it is still relevant with caution re what Grandpamac has said...its so...

indeed imr4831 is listed for 130-140-150grn loads and stops there in my older nosler manual......150grn 7mm is plenty enough...if you new to reloading...possibly new to shooting large calibres????...