I know I am a bit late to this party, but my best 7-08 load is 47.0 grains of H4350 under a 140 grain Nosler BT or Accubond with a Federal 210 primer. Getting right around 2750 fps out of my Browning A-bolt.
Half a grain more of BG gives me an additional 100 fps.
Which doesn’t suck.
P