Dixie, my best velocity was with 40.8 grains at 2533 FPS. I had a few errors with the Magneetospeed, and two were totally on me. For AK standard it was hot as hell. Got in the truck to leave and it was 89. I was tired and thinking about everything I needed to do at home, so I packed up and came home. I did finish load development on my .308 and the .270 my son claims is his.