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I just purchased a P224/P229C 357Sig barrel in recent factory packaging advertised as "broached" marked: BARREL, 224, 357, DLC. It was medium gray in color, shiney, & appeared to be uncoated. After cleaning it with Slip 2000 EWL it turned dark gray. Inside the tip of the barrel & inside the first 1/8 inch of the chamber were rainbow's. Was this a barrel ready for Nitride but never made it?


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If you can't dazzle them with brilliance, baffle them with bullshit!

Sigs Owned - A Bunch
 
Posts: 4357 | Location: Nashville, Tennessee | Registered: December 16, 2004Reply With QuoteReport This Post
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I was always under the impression that a broach is just a cutting tool used to cut steel (in most cases I know of, and to the purposes of which we're talking, to cut the rifling of a bore, though it could be used externally, too). I didn't think it would affect how they 'coat' their barrels. I do, however, have P228/P229 barrels that are either phosphate or nitride; the phosphate giving it the appearance you're describing, though I don't think Sig does that for recent production barrels. I guess I'm at a loss.
 
Posts: 239 | Registered: January 20, 2016Reply With QuoteReport This Post
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It is neither phosphate or nitride, appears to be uncoated


__________________________________________________

If you can't dazzle them with brilliance, baffle them with bullshit!

Sigs Owned - A Bunch
 
Posts: 4357 | Location: Nashville, Tennessee | Registered: December 16, 2004Reply With QuoteReport This Post
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Very odd. I'd think they'd have to treat it in some way or coat it with something. You wouldn't happen to have pics?
 
Posts: 239 | Registered: January 20, 2016Reply With QuoteReport This Post
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DLC stands for diamond like carbon. Sounds like the color may just be "off" compare to normal Sig coloring. http://www.jabuie.com/ionbond.html
 
Posts: 403 | Location: PA | Registered: February 21, 2006Reply With QuoteReport This Post
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