Looking for some advice. I'm working up a load for a friends 300 WBY Mag. It's a custom Weaver Rifles with a 24" tube. Current load is 80 grains R22, Fed 215 primer, 178 ELDX, and hornady brass. With a COAL of 3.600. It groups well but the speeds are very high. I'm averaging 3340 FPS on chrono...