I shoot a sub1" group at 200 yards with my cooper using this load:

58.5 Gr IMR 4831 Federal 210 Match and Nosler 140 accubond. Killed a 10 Pt at 350 last year. Gun shoots minutie of Whitetail - lights out. Chronos right at 3200 FPS.

Never shot the European Powder... no need to...