finish wear

Tried to shine slide with mag polish and dremel white felt bit, took mag polish and dremel buffer bit to my black slide trying to get a sheen , it shined it kind of, didn’t take coating off but has an inconsistent shine , and the other side I left alone and it’s still the flat matte black look...

Hi All, New Sig owner here and might just be overly concerned since my Glock owning friends have little wear after much more ammo expenditure. This past weekend i took my p229 Enhanced Elite to the range and put 120 rounds of Winchester White Box 115 Gr through the barrel without any failures...

I recently polished the chamber on my P226 Tacops where it shows through the slide when its at full battery. I did this because the finish on the area was wearing off and it was just generally starting to irritate me. I know its a natural occurence that its going to wear off I just figured it...