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Bead Blasting

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Unread 03-07-2008, 03:45 PM
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Join Date: Jul 2007
Posts: 126
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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    Unread 03-07-2008, 06:04 PM
    Platinum Member
    Join Date: Jun 2001
    Location: Potomac River
    Posts: 5,071
    Not what you asked, but I have become a fan of the aluminum oxide finish.
    The Smokin Fur Rifle Club
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    Unread 03-07-2008, 11:29 PM
    Platinum Member
    Join Date: Jun 2004
    Location: Texas
    Posts: 1,074
    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
    Texas State Rifle Association Life Member
    NRA Endowment Life Member

    A big fast bullet will beat a little fast bullet every time
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    Unread 03-08-2008, 11:58 AM
    Bronze Member
    Join Date: Mar 2005
    Posts: 89
    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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