I want one. They seem like good long range rifles and if you shoot the barrel out you can replace it for the cost of the barrel, AR wrench, and a headspace gauge. Changing calibers may also require a new bolt or bolt face if they are replaceable. They are a respectable tool to shoot long range and learn how to shoot long range, like trajectory, wind drift, load development, whatever.
AR10 mags take longer cartridges than AR15 mags so this might give you some freedom with overall length for the 6.5 Creedmore. I'm not aware of the details or possibilities here.
I'm mostly interested because my AR10 in .308 and 20" barrel does not seem to make the velocity to reach 1000 yards. So I'm looking for a 1000 yard gun in the Creedmore or .308 if you can get a 24" barrel for it too.