Mr. Whimsy,Have you looked at the 6.5 Creedmoor?
I like the 260 Remington,and have a DPMS LR-260.It's a great shooting rifle,but I just built a bolt action in 6.5 Creedmoor.
If you don't reload,you will find 6.5 Creedmoor factory ammo easier/cheaper than 260 Remington.
I handload for all of my guns,so factory ammo is never an issue.
There are several gun makers that offer the 6.5 Creedmoor.