Swiftshot's load of 28 grains of AA5744 under a 500gr would be very, very modest as to MV and recoil from his .458 Lott. I'd expect not more than 1100 fps an d recoil at a very, very modest 14 ft-lbs (about the same as a .243 Winchester shooting a 100gr).
Bob
www.bigbores.ca (My latest blog is up on "Tales and Trails - P1" Pic heavy)
