Sir Ron,
You have a 10 twist 458 and a 14 twist 458 that you can launch bullets at the same muzzle velocity yet very different RPM. Should be interesting with the Hammers! Lot's of folks are interested in High RPM results in Game. I do think the Hammer bullets, designed to blow off Petals could be interesting. Certainly was in a 35 Whelen 10 twist on Deer as we have seen posted. No 35 Whelen 14 twist on Deer to compare.
Tally HO!!