I have loaded for and used extensively over several decades five Weatherby calibers in many rifles. As others here have said, I get longer brass life than most other cartridges, especially the .300 Win Mag.

I am also dubious about claims that the double radius shoulder gets credit. More likely better barrel specs and minimal case taper. I have never annealed a Weatherby case.

Last edited by GF1; 11/26/20.