Then add the Nathan Foster bullet thing into the mix of math and numbers.
https://www.ballisticstudies.com/Res...on+Forums.html
Or just buy a cartrage and rifle that will fill those needs.
The only numbers that work for me is the ones on paper or into the Wrapper. Ha.
Age old bullets that would of been well suited high velocities rifles that aren't the best for low velocities,,, and lows that don't perform in the highs.
Finding the happy mix is where I spend my funds. Ha.