RS62 is a great powder for the 6.5 Creedmoor.
My best load data is: (this gives 10mm groups at 100)

42g RS62
Lapua Brass with Small primer pocket
CCi SR Benchrest primers
140gr Barnes Match Burners
COAL 2.72
2730 fps

My Rifle is a Tikka T3 Tac A1 with Moderator.