Her husband developed the following loads for her:
For Deer/Antelope: 139 Hornady SP/ 54gr IMR 4350/ Win Brass/ Win Primer (2838fps)
For Elk, Moose, Bear, Lion: 160 Grand Slam/ 56grs Norma MRP/ Win Brass/ Win Primer (2797fps)
For Buffalo, Rhino, Hippo: 173 FMJ/ 51.5gr IMR 4831/ Win Brass/ Win Primer (2610 fps)
All of these loads are over maximum in all my Ruger 7x57s.
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