BUmmedic
New member
Carry a G19 gen 4 IWB in an alien gear holster. Recently, took notice of some slide discoloration on the front left part of the slide that comes into contact/rubs with the leather holster backing, and the rear right of the slide that contacts/rubs against whatever layer I'm wearing over it. Takes the matte gray/black finish and makes it more of a copper tone. If I rub over the areas with with my finger, or take some lubricating oil and clean and wipe the slide, it goes back to the normal color. Is it just from some of the retained oil in the metal being absorbed by surface contact? Does this do any damage to the underlying finish or metal? Should I make it a point to cleans and rub it down more regularly? May be hard to tell from pics, but I tried to get the best ones I could to show it. In the right lighting, there really is a big aesthetic difference.
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