I am turning 63 this yr. Started hunting in 1972 so I have covered some ground.What I have uses were / are 375.375imp, 45/70, 348/450, 577/450, 458,458 lott,416 rigby,416 rem,338 lapua, 470 nitro, 500 Jeffery. 505 gibbs, 300 weatherby, 510 wells express, 500 pirro.No one seems to have heard of...