Bismuth loads are always helpful but what would be more helpful would be a source for the shot. That stuff is getting like gold, there's just none available. A friend has resorted to buying old bismuth ammo and cutting it open to get the shot for reloading. He's managed to locate a couple places that had big stocks of 3 1/2 inch 12 gauge stuff they couldn't seem to sell and bought it semi-cheap.

Destry

Out there at the crossroads molding the devil's bullets. - Tom Waits