I only use the Hornady 240 XTP MAG for full power loads, over 45.0 grains of win 296 as per hogdons web site and I get 1917 FPS from it. For medium power loads, I use A 5744. Accurate has a pdf with load data. I use it for loads around 1400 fps. For 1200 or less, I use trail boss.
I have tried...