Apologies I listed a 300 Rem load....
Since you are using Hodgdon powder, why do not use their data from their online web site ? Cartridge Loads - Hodgdon Reloading Data Center - data.hodgdon.com
Based on their website, a minimum powder charge is 60gr with a max at 64. At 60gr 24" barrel the velocity is listed at 2731fps and at 64gr it is at 2871fps.
How did you do your load development ? Usually one works up until you start seeing pressure signs, then backs down. Also check the listed cartridge OAL, usually if it is listed then it is a Sami value, you may be able to load longer which will reduce pressure if your throat allows it.
162 GR. HDY SPBT Hodgdon H4831 .284" 3.290" 60.0 2731 43,300 CUP 64.0 2871 49,800 CUP