I've killed 4-6 WT deer with those factory bullets and they worked well.
We are all individuals so speaking for myself, 2700 fps doesn't even make my butter warm much less melt
I've been a 270 W, 6mm R, 7 RM & 300 WM shooter/hunter for many years. That said 2700 fps makes me yawn!
I've had no problem getting 3100 fps in the 6mm R w/100 gr bullets SO I'm hoping to get at least 3000 fps with the 6.5 120
So did you get 4 on the ground and a couple that maybe died later?
If you want to use a 6.5 and anchor stuff on the spot use a 100 grain ballistic tip or barnes TTSX at full throttle, or the good old standby the Sierra 120 grainer, in my experience nothing will kill faster