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Old 12-30-2019, 05:01 PM
Bob Rockefeller Bob Rockefeller is online now
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How well finished before blasting and Cerakote?

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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9MM: LTT Beretta 92 Elite, M&P Pro 9L C.O.R.E., SIG X5 Legion, 1911 Build No. 2
.45 ACP 1911s: Wilson Combat, Nighthawk, Colt, Dan Wesson, Springfield, Build No. 1
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Old 12-30-2019, 05:16 PM
pat_jones pat_jones is offline
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I generally stop at 240 and the paint looks right. They blast with aluminum oxide under Cerakote, not glass beads. 320 is overkill.

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Old 12-30-2019, 10:48 PM
Benchrest1 Benchrest1 is offline
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320 is more then enough.
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