9L CORE PORTED BARRELS - MP-Pistol Forum

9L CORE PORTED BARRELS

This is a discussion on 9L CORE PORTED BARRELS within the MP Gunsmithing forums, part of the Smith & Wesson MP Forum category; In looking at a few(4) ported 9L CS barrels I noticed punch marks on the lower lug flat. Some had 1 punch, one had 2 ...


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Old February 22nd, 2016, 04:40 AM   #1
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9L CORE PORTED BARRELS

In looking at a few(4) ported 9L CS barrels I noticed punch marks on the lower lug flat. Some had 1 punch, one had 2 punches, one none. Any ideas what the punches tell us??
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Old April 10th, 2016, 11:22 AM   #2
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Manufacturing ID mark. That would be my assumption.
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Old April 10th, 2016, 03:03 PM   #3
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I've heard it was that, I've also read that it was a mark to differentiate which machine produced it. All speculation IMO. Why not call S&W and ask?
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