Just some data on relative bullet performance with some 6.5s (and others in this test):

http://24hourcampfire.com/ubbthreads/ubbthreads.php/topics/3165660/1

BC Steve did something similar with just 6.5s and it was a lot more comprehensive, but I don't have a link to his test.



"For some unfortunates, poisoned by city sidewalks ... the horn of the hunter never winds at all" Robert Ruark, The Horn of the Hunter