The problem with a big hollowpoint that doesn't open is that if it hits a bone, the tip is much more fragile and more likely to get all splatted, sending the bullet tumbling. Or if it hits bone at an angle (like a rib or a skull), one side of the point could cave in, making the bullet just skim along the bone without punching through. Maybe you could ask if it would be possible to put on a copper nose plate thingie, something like a reverse gas check? Something which only covers the nose of the bullet to prevent deformation, but doesn't contact the bore. Maybe could make it a slight dish-nose, too.
That'd be nearly as good in soft tissue and way better against bone, as long as the edges are relatively sharp. Semi-wadcutters and flat nosed bullets tend to crush a hole equal in diameter to the meplat. And penetration really is important. Remember, in the old days, they'd measure how powerful a gun was by how many inches of wood it would penetrate.
That'd be nearly as good in soft tissue and way better against bone, as long as the edges are relatively sharp. Semi-wadcutters and flat nosed bullets tend to crush a hole equal in diameter to the meplat. And penetration really is important. Remember, in the old days, they'd measure how powerful a gun was by how many inches of wood it would penetrate.
