I hunted for years with a 270 Weatherby..and now years with a 270 WSM switching only because Im left handed and the weatherby wasnt..I now will try the 270 Win. This to confirm what many including myself have suspected, that no animal can tell the difference! The Win is the most economical if you dont handload. Try any one of them you cant go wrong. As for the feeding..my wsm functions all the time every time.