Sorry if I fueled any misunderstanding.

Stated with a whole lot more clarity:

The claim that was made (which I repeated here)... was if both the standard and the mw heads are carved out in the cnc machine to be the same, then... after that operation has been performed, then the ports will be the same.

Is this not true/a promise that can't be kept?

The way Brad stated it isn't the exact idea (although I agreed with what he said-maybe I should not have). It's oversimplified. I wasn't just going to open up the smaller opening and call it good.

Actual goal is to create a matching set.