I loaded 41.5 grains of H-4350 over Fed LR primers and topped with Woodies 215 grain .312 bullets.
The load should clock about 2000 fps., I was looking for a load that was used when the rifle was made, 1897 38 gr. rifleite was prior to cordite.

Here is the best target shot over front only sand bags at 50 yards using the fixed 100 yd V.

1st shot I held on the X and hit 4" high slightly left with the right barrel. The dime.

2nd thru 6th I held at 6 o'clock and hit 3 Xs and 2 10s. Here is the target: