American Whitetail 117 BTSP from Hornady also shoots really well in my Forbes. Sub MOA to 400 yards. I get factory listed velocities out of it. The bullets go right through 300 pound caribou leaving quite a hole. Recovered one on a quartering shot and at 150 yards it hung onto 65% of it's weight.
See 2:30 to 3:30 on this video, for more on this load
https://www.youtube.com/watch?v=MM2d7w0wLKkHow it shoots is here
https://www.youtube.com/watch?v=ES9zRM2g6ec