Hi MD,
Interesting, I seem to have 3 of the calibers you mention all in ruger No. 1 Tropical. A 375 H&H, a 450/400 3" and a .458 Win. Mag. You might like to know that Ruger pulled a fast one on putting the "Tropical" model name on the 450/400 as it is not the heavy weight that is typical of...