Here are my 2 custom jobs - both on Stiller actions. The one in the McMillan Hunter stock is in 6.5-06 and the other oe (in the HS) is in 7 Rem Mag.
5 shot group at 100 yards and another 5 shot group (was verifying my drop) at 500 yards with a slight 5 mph cross wind with the 7 mag.