think they're both great rounds
though prefer the 10 for walking around the big piney
the .40 for the big city
though either one is apt to get you by in a pinch
provided
you remember the 5 cardinal priorities for shooting when it counts
1. shot placement
2. shot placement
3. shot placement
4. bullet/cartridge combo
5. platform
I do believe that you have hit the nail square on the head with this post, of course. But those truisms are not nearly as fun to argue over! Great post though, for sure.
