Here are the pictures of the 9.3mm bullet expansion/penetration tests I mentioned in an earlier reply post.

Privi 9.3mm 285 grain bullet. Impact velocity approximately 2000 fps. Penetrated 40+ inches of water. Expanded diameter .75". Retained weight 269 grains (94%) and 265 grains (93%).

RWS 9.3mm 200 grain bullet. Impact velocity approximately 2100 fps. Penetrated 32 inches of water. Expanded diameter .70". Retained Weight 164 grains (82%). This bullet was originally intended for the 9.3X72R Swiss loading per a Nitro Express member who is known here as Lancaster.