I see that with Superperformance I can get more than 3300 fps out of my 260 Remington. Wanting a flat shooting load for my Grandson but this bullet is pretty light for caliber and would like to know if anyone has tried this one of Whitetails, bigger variety. And what might the minimum velocity for expansion be? I also am thinking about using the 150 gr. Nosler Partiton in my 300 Ham'r and would also like to know what the minimum expansion velocity for that bullet is.