advice on starting load

I have a new 300 WM with a 26 inch barrel with 1:9 twist and 0.160 of free bore. I am in need of advice on a load to start with. I will be using 4350 powder and Berger 210 grain VLD bullets. My COAL to touch the lands is around 3.640 in. by my measurements with a Hornady OAL gauge but when I...