Johnny, you are correct. I don't consider the leading edge of the breechblock to be the "face". Not to be contrary, but, IMO, the face is the part the cartridge base comes to rest against when the action is in battery. If the leading edge of the breechblock and the recessed face are both to be considered the breech face, we now have the same term being applied to two different planes. IIRC, I've seen the term "cone" used to describe the protective collar on the bolt in front of the face. Unfortunately, my reference books on gunsmithing do not explain "breechface" in any detail or when the face is recessed. Perhaps you have a better reference?
All that aside, I believe we both have been explaining the same mechanical actions while disagreeing on the terminology.
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