I think aluminum oxide is the blasting medium used to achieve a matte grey finish on stainless, but the gunsmith will know what to use... I've had an entire stainless rifle blasted to dull grey, and the topstraps of a couple 640's, the result is a sort of "frosted" matte (not "satin") finish.
Last edited by jkc; 04-12-2010 at 09:38 PM.
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