powders

I asked ChatGPT: In handloading 45 Colt at standard pressure for a revolver with a 3½ inch barrel and a 250 gr bullet, which powder, and how much of it, should I use to get 700 fps? ChatGPT answered: For .45 Colt at standard pressure from a short 3½-inch revolver, getting ~700 fps with a 250...