Originally Posted by
nchawkeye
The problem is that we don't really know what caliber Lewis & Clark carried, so how do we know how to evaluate the effectiveness???
I have a copy of the first year of the Long Hunter Society, which is the record book of the NMLRA...In it, the largest grizzly killed was killed with a .530 patched ball and 120grs FFF...

Pehaps this
LINK will provide some useful information??