MickyD: I think that we just discovered another person that you would not have at the shooting bench next to the one that you are using. PS : how I do it is make a correlation between the two numbers. On a 223 Rem the max # are 55.0K PSI and 52.0K CUP. I dev. the 55.0 by 52.0 and get 1.0577. To get PSI from CUP, I mult. the CUP by 1.0577. To go from PSI to CUP, the # is 0.9455. So PSI X 0.9455 = CUP? or there about .
You need to read Denton's article.
