Flinchlock,
I have a Model 10 FCP-K that I just fed 168gn. Hornady HPBT match over 44gn. of BL-C(2). A 4 shot group was .215 ctc. I did shoot a 5th shot but, we wont talk about that (flyer). This was in fire formed Winchester brass that I neck sized only. I am waiting for my chrony, so for now there isn't any velocity measurements. I plan on continuing the use of this load for a while, particularly to see how it does as the temp goes up. Initial testing was done on a 55 degree day.

Shoot safe,
MikeinGBWI