Years ago, I shot WW 748 in a National Match M1-A. I used military cases, WW primers, and (the then) Sierra 168 gr International bullet. (now MK). It was the gun's preferred load and shot under 1 MOA reliably. It seems to me, IIRC, that the load was about 44 grains or so, but then you will have to work up a load for your gun.
If you are looking for a powder to do double duty, it should be fine in the .223, too.