I make loads similar to that with trailboss powder for a change of pace every now and then and to let inexperienced shooters try out a big bore. I have no doubt that those loads will put a 458 hole through any animal found around these parts and if the shot placement is good the results would be a dead animal.
Dents in the brass are just an indicate on how the brass was handled. It would be of no consequence.
Dents in the brass are just an indicate on how the brass was handled. It would be of no consequence.