Out of my 12.5, BA pipe.
The magtech 77gr ( mk 262 clone ) runs around 2429 to to 2500 FPS, temp dependent.
Last time i was out it was about 60 degrees F, the was average was 2490.7 FPS.
It's on par with the IMI mk 262 clone, and shoots about the same POA,
Seems to be 0.1 mil offset vertically with the AR bagged on a bench more or less. I have not tested them round robin.