Double 760gr ball load of 1520 gr total, at 2300 fps.
A buck and ball load, 6 45cal lead balls, 133gr each, and a 760 gr ball on top, 1560 gr total, at 2300 fps.
Both loads 100gr BlueDot under 225gr Re17, In the turned brass cases, with shotgun primer.Recoil manageable, and like a big push. The sound isn't a boom like regular shotguns, but cracks loud like big bore rifles,at least twice as as loud.Ed