The 129 accubond long range has worked very well for me in the 6.5 CM for deer. I'm using a mid-book load so not pushing it for velocity. I've had pass throughs on all but 1 deer, ranges from 20 feet to a touch less than 400 yards. The one non-pass through was the 20 foot shot - behind shoulder, downward angle, hit a rib going in, hit a rib on the other side, under skin on the far side - really wrecked things inside.