shot a 1300# bison with a Lee cast 465gr wfn gc, 31.0 gr Lil'Gun, wlr primer, Star- brass, 1385 fps from my S&W 6.5" PC revolver at 76 yds. 1 shot, left front shoulder, quartering angle. took out front of shoulder, top of heart, right lung and passed through right ribs and exited. bull stumbled and fell where he was after about 3-5 ninutes