S&B Klassik 3-12x42 (or 50) with P3/P3L mildot reticle and BDC mil elevation dial gets you to 600 plus with a 7PRC in the west.
That would be my vote.
But if you really want to spend more money, TT315 LRH scope, or the M with gen2 mildot. I’ve got one on my 7SAUM and love it.