I have tested 416 Caliber bullets in several 416 Cartridges. Starting with the 416 B&M, I will add test work done with other 416 cartridges such as 416 Remington and 416 Rigby.
416 B&M Terminal Bullet Performance
416 Remington Terminal Performance
Here you will find comparisons of some 416 caliber expanding and Non Conventional bullets.