You will do better to state what your rifle is chambered for . There are lots of different 6.5 mm versions what is yours? 6.5x55 , 6.5 creed, .260 , etc etc
If you don't have Data , pick something similar ( in your case here , its only 2 grains more than tTSX Barnes copper ) it will be different but you can work it up carefully looking for pressure signs . Remember to have some jump to the rifling
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