Load was MarkM's/Onyx's 77gr TMK w/ 23.5gr of XBR in a Lake City case.
It was a hair farther than 700 yards.
https://i.imgur.com/O3ErU3f.jpg
https://i.imgur.com/3i4JPCE.jpg
(Left cold intentionally)
https://i.imgur.com/vdDHNpV.jpg
I guess my bullet wasn't reading the right forums. :(