Firstly my load for the 300gr Barnes bullets in my T/C Contender carbine is 57gr of H322. I shoot mostly 400gr Speer's or 405gr Remington's so I can't remember the velocity of the Barnes 300gr bullets right now. Accuracy is very good but I haven't shot any animals with this load yet, so I can't comment on this myself, but with saying that I have talked to grizzly/black bear hunting guides that swear by these bullets for their Marlin 1895 45-70 Guide guns.
Cam