Yeah, as huge as 2 inches will ever get.
I cannot help but commenting on some of the comments. Yes, the 6.5/.284 is the darling of real rifle loonies, the kind of shooters who simply cannot stand using a boring old .270, so use something "different."
However, so many of my friends and acquaintances have a 6.5/.284 that it has become the boring old .270 of the not-sot-secret Society of Rifle Loonies. It just might be time to come up with something different from the boring old 6.5/.284....