No, we spent a great deal of bandwidth "discussing" whether the .44 Magnum's SAAMI specifications changed over the years. This is one citation claiming it has. Nothing more, nothing less. As far as Brian Pearce's due diligence is concerned, I can't help you. I do know he is serious about what he does and careful about what he publishes. You might want to take it up with him.
Just sharing what I found...
