Hit a roe buck at 157metres with a 100gn Winchester. Shot placement was good. Buck ran about 30 meters and keeled over. Good buck but entry point was obvious but no exit and no fragmentation damage on the rib cage. Lungs were minced and diaphragm burst but luckily gut sack was in tact. Might find the bullet when I butcher it. I expected a through shot. It did clip the rib on entry but where it went I have no idea.