How about any other big game bullets in the 6.8? Haven't heard good things about SSTs....in anything
Go to 6.8 Forums,there is a lot of info there.
OR ask your friend who has one,it kills em.
https://www.24hourcampfire.com/ubbthreads/ubbthreads.php/topics/11042656/Re:_Anyone_have_experience_usi#Post11042656