Quick Shot: 416 Rigby

That's a big cartridge that shoots 300-400 grained bullets 2500-2300 fps.
I always wanted to find a gun that shot the 43 Spanish Like a Mauser.
The 43 Mauser seemed a little slower but think either would roll a deer in a second.
Either would be like the poor mans 444 marlin. and you can use lead bullets.