Jon,
In no way is the 30/06 case weak. I think that you do not understand that the brass case is only a gasket. The reason that the 30/06 is loaded to lower pressure is because of the older rifles not the case.
Also no one said that the 30/06 could match the performance of a 300 what ever. The reason that they have higher performance is that they have a larger capacity not because they have a stronger case.
The arguement of weak cases always reminds me of when people say rhat the 45 Colt case is weak. That same case is what Dick Casull used to develope the 454 Casull using tri plex loads. The case is only a gasket and it depends as to how the gasket is supported.
Regards, Keith
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