It does look kinda look like the Copper like lube that Glocks come with from the factory, even the night sight has some of it on it. Hmmmmmm?
If it's not the factory lube, it had to be some serious chemical contamination. First I've seen on a Glock pistol. I'm sure Glock will handle it quick, if it really is rust and not a bs post.
From here it looks like he got it splashed with...wait, he said he's right-handed...and a new LEO...in NYC...what rides a standard equipment belt right near the holster? Anyone know whether maybe they carry pepper spray or some other chemical like that? If so, is the canister in a position where it might spritz the gun a little bit if he leans the wrong way?
Could be the finish on that gun doesn't react well with the stuff...?
Otherwise, I'd say maybe he was walking past or helping someone working on their car and got a small splash of battery acid on it.
Pepper spray is usually carried in front of the pistol on the gun side. Ive had it on me a few times and on my service weapon once," Faulty Valve on a can. That looks like the something corrosive of some kind but the metal doesnt seem to be coroding just the finish.
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