You said the key word. Practise!!!! I like to take the .375 and shoot prairie dogs with it. It is a lot of fun and is great practise. It will probably be what I am carrying when I go elk hunting this season. They have killed elephants with a single round of lesser calibers.
-------------------- There comes a time when one must take a position that is neither safe, nor polite, nor popular -- but one must ask, "Is it right?"