I was thinking about the old british 38/200 load. This round routinely performed better on flesh than paper.
I carry a Tokarev, in 7.62x25 and am very happy with it's performance with the PPU JHPs.
I have some extra barrels in 9mm bore that can easily be chambered for 9mm largo, 9x23, 38 super.
So if I wanted to load a max weight cast boolit and drive it at moderate speeds, what are my options?
Load a really long nose in a 9x19 case?
Use 9mm largo cases? Or 38 super?
How do I overcome internal case taper?