At this moment in time i am useing VV N150 38.9 grn in Lapua Brass neck sized.
This gives me 2600 fps
I am changing to VV N560 But dont have time to do a full load develpoment if i use the load that will give me the same fps eg 46.5 grn 2600
Will i get near as dam the Same POI. Or will i need to start a gain.