Found this in a old book. VIht. N 165
47.0 Compressed 2687 mzl vel
45.0. 2568 mzl vel
So tried it out. My results
26 inch. 1-8 twist
46.5 gr. N-165 [Warning some high pressure signs]
140 gr. SMK
Lapua Brass
GM210M Primer
OAL 2.814
Vel. 2811
This load shot great 20 rounds in...