This is my first year hunting with 7mm mag. I've shot both 150 and 175 grain core-lokts out of it, the 150's for antelope, and the 175 for bear and elk at close range. What would you guys suggest for a good all-around factory load, i dont want to switch ammo for different game. Is there a factory boattail in a 7mm at all? maybe you guys have experience with different size bullets and loads in this caliber?