Wall thickness measurements are critical, and MWT (minimum wall thickness) is only part of the issue. Wall thickness at the end of the chamber out to 12", where the pressures are greatest, is IMHO of greater importance.
Please see
https://docs.google.com/document/d/1ZIo0y746UsSRZIgRuuxwAbZjSBHitO_EanvwLYc-kGA/edit

Surviving a single home "proof" load is no guarantee that the barrels will survive the next one