I shoot the 225 partitions out of my win mag. Killed a bunch of elk with that bullet, never recovered one, all exited regardless of angle shot from. Never shot a black bear with it, but I imagine it would work fine. Why such a light bullet? Are you just enamoured by the velocity? I would use a 225 or 250, it's not like you don't have the velocity to spare, and you may save meat and pelt distruction. You'll be driving that 210 awfully fast... might have a bigger hole to stitch up on the hide when you're done.