if we have a velocity/energy between a 577 snider - 480 grain lead with 1250 ft per sec, 1660 ft.-lb and a 20/70 brenneke - 370 grain lead with 1413 ft per sec, 1636 ft.-lb it must work on big game till 50 meter or more

http://britishmilitariaforums.yuku.com/topic/849/t/Bison-with-a-Snider.html

shooting discipline seems me very important. the case have to load to its full potential. my husqvarna shoot a 480 grain with 90 grain BP but the old swed's use only a 15mm roundball for the annually moose in its good old days.