I have a JP 6 creed and a JP 6.5 grendel and for carry/ranch use, I carry the grendel. It is so much lighter and easier to grab and get on target vs the AR 10 6 creedmoor.
But if your use is range and steel shooting past 500 yards, ballisticly you will be much happier with a 6 or 6.5 creedmoor...