I have a friend who is a PH in Africa.
He would never let you hunt dangerous game with a 45-70!
His recommondations are .416 RemMag or stronger for DG and .300 WinMag for Plains Game.

Anyone here have pics of an XLR that they've shortened? http://i276.photobucket.com/albums/kk40/leverever/MXLR.jpg Here my .450 Marlin 1895 MXLR with the barrel shortened to 20"! Did some chrono tests before and after chopping. My handloads with 300gr. Speer UCHP , 58gr. Vihtavuori N-130, CCI-...