i just ordered two more barrels to be done

1= 28 " .22-250 ai, blued, medium weight sporter, 1:12 twist

2= 30" .6-284, blued, heavy varmint so i can have re set if needed, 1:9 twist to shoot the 95 grn bergers 3500 or so

any suggestions on loads for either? in the 22-250 i would like to shoot bullets fromm 55-60grains

thanks guys