280 Remington, 8.5-8.75 twist, 180g ELD-M at 2700 fps using R#17, pounds real hard!

Second choice is a 7 Rem mag and wood stock 700's are amazingly accurate, bedded, bbl floated

140g Nosler ballistic tips with 65-66g of IMR 4350, Rem brass, Rem 9 1/2 shoots 3" group at 550 yards for me

162g ELDX-71g of Retumbo, fed 215, sub 3/8" at 100 yards at 3100 fps, no flies on 168g BERGER vld hunting
175g Nosler long range accubond-R#26, cci 250, 3030 fps, same load with the 180g Berger vld hunting