well, I actually took out 5 loads today with 5 rounds of each at 25 yards here is what i got......

47gr. 3.5" group
47.5 gr 2" group
48gr. 3" group
48.5gr.1" group
49gr. 4" group

the winner is 48.5 grains

next I will try the winning load at 100 yards and maybe fine tune it from there.