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Old 01-13-2013, 10:12 PM   #5
HiHoBrian
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Join Date: Jul 2011
Location: Connecticut
Posts: 1,113
My Ride: 05 M3
I saw the original copper lube when the gun was new. This is definately the outter layer of plating that is comming off exposing the apparently copper plating under layer,similar to a chrome plating prosess,of the steel rail. It catches a finger nail or a tool. So Reedo,does it eventually smooth itself out without gouging the slide? I have never seen this happen with a gen3 (this is my only gen4) and also there is no wear on the front rails.

Edit: checked out glocktalk,its common and possibly coated for corrosion resistance and like you said Reedo,works itself out with use. Thanks.
sent from my ATARI sc1224
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Last edited by HiHoBrian; 01-13-2013 at 10:22 PM.
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