Ballistically exactly the same as the 300 H&H. And a pile of pressure tested data to go with that statement. If you are hunting, assume it does the same as its older sibling.
Charlie

The data and opinions contained in these posts are the results of experiences with my equipment. NO CONCLUSIONS SHOULD BE DRAWN FROM ANY DATA PRESENTED, DO NOT, UNDER ANY CIRCUMSTANCES, ATTEMPT TO REPLICATE THESE RESULTSj