I am going to load up some South African 690gr Ball bullets.
My Hornady Data manual gives a C.O.L. of 5.450" using the Hornady 750gr AMAX.
I have researched many different forums and I have come up with 5.420", 5.425",5.435" using different bullets from 647 API, 661 gr M-33, to the 690 gr SA...