Clearly, you know what you are talking about, and I appreciate your subject matter expertise; it just seems odd that you all aren't using very fragile varmint bullets like a V-Max, Ballistic Tip, TNT, etc. Literally hundreds of thousands of 8lb, very fragile skinned mammals are killed with them every year. Lots of them (admittedly possibly a little bigger) in dense forests at spitting distance. These bullets are specifically designed to kill and not destroy the pelt, and they work down to very low velocities.Imagine an 8 lb very fragile skinned antelope at close range in dense forest........
Bear in mind that all African small antelope the male is a lot smaller than the female of the same species....
Round nosed old school solids at max 2400 fps is the best bullet and for the smaller ones a non magnum shot gun with the apropriate size shot is the best option.
It seems to me that a downloaded PG cartridge of 30 or smaller with a varmint bullet would be the best answer. Even a shoulder hit will result in a clean kill with minimal pelt damage. Any reason a solid would be better?