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Bead Blasting

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  #1  
Unread 03-07-2008, 03:45 PM
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Bead Blasting

What kind of bead blasting do you guys do on stainless steel barrels, muzzle brakes etc.that looks like the finish on stainless steel factory guns.
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  •   #2  
    Unread 03-07-2008, 06:04 PM
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    Not what you asked, but I have become a fan of the aluminum oxide finish.
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      #3  
    Unread 03-07-2008, 11:29 PM
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    Glass beads make a burnished finish similar to some stainless factory rifles. 70 grit aluminum oxide media is more aggresive and makes a dull, fairly smooth finish. Silica sand (sugar sand) is more aggresive when fresh and makes a dull, fairly coarse finish that gets darker in a few months. For a nice uniform finish you have to remove all machine and turning marks first.

    Hope this helps, Tom
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      #4  
    Unread 03-08-2008, 11:58 AM
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    Most of the factory finishes I've seen seemed to use very fine glass beads, there are different sizes, and minimal air pressure. I once did a Ruger Blackhawk at high pressure with coarse beads, and it came out almost identical to Rugers Target Grey finish. I has to sand that one back down and wire brush it instead.
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