it works fine
go check my engraving thread and look at the pics.
ive blased a desert eagle, m4 body than powder coated it, then re engraved it...as well as number other parts.
but ya i will test first, as long as the sand is fine enough it shouldnt pit the metal too badly. Otherwise i can just sand of the paint by hand, and re-coat it...anyways, not at that step.
i need to get a 416 upper first LOL
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