Well.....I took the .308 in question out to shoot over the weekend (my first time shooting it with the Oryx chassis)......this swap barrel plan is now mostly in the trash, as the current rifle/chassis setup is SWEET. With all that said, I have a 25 yr old M700 in 22-250 that will likely become the owner of a new prefit in 6.5 Creedmoor (assuming I can get the action and barrel separated).