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AR15.COM
1/10/2026 10:49:46 PM EDT
I’ve had a 12.5 barrel about a year and the front near the muzzle where the G is has started to rust. I’ve never had a barrel rust before on any rifle I’ve owned. I read this was an issue with initial barrel releases but not the new finish. Is this covered by warranty? As of now it’s purely cosmetic but once you rust…
1/12/2026 11:24:17 AM EDT
[#1]
Good Morning!

We would be happy to get more information over to tech team so they can help evaluate the barrel. If you can send a few photos over to [email protected] we can open up a ticket for you and help see why the barrel may be rusting.

Any relevant information, such as your rough purchase date, barrel code (if you feel comfortable removing the handguard), and storage information will greatly help them!
2/5/2026 8:46:36 PM EDT
[#2]
I had a weird finish blem on my 14.5 super duty barrel back when it was black oxide. You could only see the blem under a flashlight. G replaced it at no cost. I’m sure they’ll make it right for you.

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