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Discussion Starter · #1 ·
My 1911 build is coming along well and I'm getting to the point of thinking about the finishing. I plan to have a local gunsmith blast and Cerakote it (black on black on black - everything black).

Right now, I've stopped the preparation with 320 grit sandpaper thinking the blasting will take it the rest of the way for a semi-matte black Cerakote finish.

Is that true? Or do I need to get the surfaces up to a 600 grit sandpaper finish?
 

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What's important is getting a CLEAN finish, meaning there are no dings, errant scratches, pits etc. I go to 220, then scotchbrite blending belt, then bead blast. Again, most importantly get any dings, pits etc taken care of, that's what matters more then grit you go to.

I dont rely on the bead blast to do anything other then provide a toothy surface for the cerakote to adhere.
 
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