Originally Posted by GRF
Sorry for derailing the conversation.....

Dirtfarmer; I assume that you would use .25-06 brass for forming the 6mm-06; do you think using .270 brass would have any issues?

Thanks GRF

I'd probably use 25-06 brass. The less change, the better, not that .270 wouldn't work. You may have to trim,

I was making .257 Wby brass from 7 RM cases. Sometimes the necks would be a bit thick. I was told that using .264 WM brass may be better than 7 RM for that reason.

DF..