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Is there a name for this type of breechface?
Shandra Lynch:
Good Morning All!
The 1st picture is from the breechface of an Inland M2 30 Carbine, and the 2nd is a cc. I don't really think that the BF marks are circular or arches. They are almost like a fan or pinwheel. What do you call these types of BF marks? Is there a category for them? Thanks much!
Mike Beddow:
Overlapping milling marks.
Shandra Lynch:
Thanks much. I am looking for more of a descriptor, like granular, linear, circular, arches, etc. Is overlapping milling marks how you describe them in your notes?
Mike Beddow:
Yes that is how I document them in my notes.
Shandra Lynch:
Ok. Thank you.
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