I would try 70 grains of any good2F grade and work up from there slowly until accuracy peaks. Small increments. If 3F, start at about 65 grains and again slowly up it. The load used above was 75 grains by volume of Pyrodex P (Pyro equivalent of 3F).

It's supposed to be near 60 degrees here later this week Dave. Of course, the weather boys could always be wrong and we might get 18" of snow instead. edit: forgot to add - that bullet you make might be a real shooter if sized to bore dimension for a .45 but it might be a little on the long side for best results in a 1:30 twist. You never know until you try, but that bullet looks more suited to the faster twist of a White. The great thing is that you can size just a few and if they don't work out for ya, back in the pot!

http://www.missouri-whitetails.com/showphoto.php?photo=440&sort=1&cat=500&amp ;page=4 the group next up from the bottom left was fired from my .451 using bullets I made with a cheap Lee mold and sizer. Besides showing you the similarity in weight to that bullet you cast Dave, I just love posting that pic.

http://www.missouri-whitetails.com/showphoto.php?photo=3043&sort=1&cat=500&am p;page=1 and the one where UC's nerves failed after the third shot. Most all those targets were fired with inexpensive home-cast bullets. Bull Shop's stuff shoots just as well.