An 8 twist is NEVER wrong in a 6mm bore hunting rifle
I'd stick to 95s no problem, if you want be able to shoot thru tree limbs that jump in the way on deer driven by dogs, the Barnes will be 100% retention on impact, and after, so it's an option - not that you ever will need it.
IMHO, an 8 twist has no downsides, anything slower can leave one wanting if handloading.
