I don't think it will buff out.
http://www.youtube.com/watch?v=GQ-KG1odvLs
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http://www.ar15.com/forums/topic.html?b=6&f=20&t=289333
http://www.youtube.com/watch?v=GQ-KG1odvLs
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http://www.ar15.com/forums/topic.html?b=6&f=20&t=289333