I don't have as much experience as most of you, one deer with my 45-70. I've had the rifle for a while and it's very accurate with this load= 43 gr of 3031, Hornady 300gr hp. Not a hot load and I don't know the velocity, guess maybe around 1400fps? Would not think anything else heavier is needed for deer. Bullet was not recovered. For bigger animals maybe a heavier bullet, but I would think this load would not have problem.
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