I kind of like it as well...
I have been carrying the same gun (Sig p250) for about 2 years now and am seeing finish wear in the same exact spot you are, the muzzle end of the slide.
I also kind of like it. To me, it is a sign that the gun has been used well, and has been depended upon to be utterly reliable. That said, I do have a couple safe queens that I would be quite upset if they had any wear on them, but for a working gun, I love seeing some character. My EDC and my hunting shotguns all sport some "character."
I like guns.
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