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AR15.COM
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4/29/2016 7:11:46 PM EDT
solved
4/30/2016 2:10:19 PM EDT
[#1]
If it's rust, why don't you just clean it with a brush? I don't see a problem here. Some thread lockers are as you described, powdery.
Regardless, if this concerns you, clean it, and apply your own.
5/1/2016 12:04:53 PM EDT
[#2]
solved
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