Here's a strange question. I have an Umberti 1858 and a R&D cylinder in 45 colt. Anyways I was loading some cowboy loads, mild lead tonight and was wondering if I cast the same bullet 255 or even a lighter one in pure lead. These usually come out @ 454 unsized. Could these be loaded directly into the black powder cylinder, using black powder of course, kinda like a conical except a heavier solid. I could use a wonder wad. This seems to be linda like a black powder cartridge except no cartridge. Any thoughts on this.