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Thread: White Stuff on Colt 6920 Pistol Grip

  1. #11
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    i think the bigger question is why are A2 grips even still being made ?

    i bet if you collected all the cast offs and melted them down you could mold a scale model of mount everest.
    "I pity thou, fools who dost not choose BCM" - King Arthur 517 A.D.

    .OlllllllO.

  2. #12
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    Quote Originally Posted by zirkdog View Post
    baby/talcum powder from the casting molds?
    Close...

    It's the release agent from the molding process.

  3. #13
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    Quote Originally Posted by MarkG View Post
    Close...

    It's the release agent from the molding process.
    That makes the most sense, thanks Mark.

  4. #14
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    Quote Originally Posted by wildcard600 View Post
    i think the bigger question is why are A2 grips even still being made ?

    i bet if you collected all the cast offs and melted them down you could mold a scale model of mount everest.
    I like them. Especially on Kiss carbines with A3 carry handles. Looks right to me, and feels good in my hand.

  5. #15
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    Quote Originally Posted by wildcard600 View Post
    i think the bigger question is why are A2 grips even still being made ?

    i bet if you collected all the cast offs and melted them down you could mold a scale model of mount everest.
    Better idea:

    We set up a location that everyone sends their A2 grips to along with a few bucks for the final shipment. Once a UPS truck worth is collected we send them, by the pallet, to Blasio along with an invoice for removing dangerous pistol grips from circulation. We then donate invoice amount to the NRA or some other pro2A organization.

  6. #16
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    I suppose I have seen areas like that on black rifles before. I've seen a similar effect when some solvents/emulsifiers sit on plastic/aluminum etc. Its almost like the material (aluminum alloy and/or polymer) is over dried out; I apply lubricant and the white, dried out look goes away. I don't know if we are talking about the same thing or not?

  7. #17
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    Quote Originally Posted by joeyjoe View Post
    I suppose I have seen areas like that on black rifles before. I've seen a similar effect when some solvents/emulsifiers sit on plastic/aluminum etc. Its almost like the material (aluminum alloy and/or polymer) is over dried out; I apply lubricant and the white, dried out look goes away. I don't know if we are talking about the same thing or not?
    That's exactly what I'm thinking too - look at the edge of the pictured pistol grip from Grant's site, that sounds like what's described, I've seen that a lot after solvent tank cleaning something. Look at the crisp edges of it, it's not a powder or anything else silly. Probably aluminum nanoparticles dissolved in solvent that form a layer over the furniture - either way, no big deal.
    عندما تصبح الأسلحة محظورة, قد يملكون حظرون عندهم فقط
    کله چی سلاح منع شوی دی، یوازي غلوونکۍ یی به درلود
    Semper Fi
    "Being able to do the basics, on demand, takes practice. " - Sinister

  8. #18
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    Agree that it's not a big deal, but I'd like it off.

    I've tried just a plain rag, then slip 725 degreaser, a tootbrush, and hot water. Guess I'll try the oily rag next? Was trying to avoid getting the grip all oily...

  9. #19
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    Does it affect the intended function of the lower?

  10. #20
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    Quote Originally Posted by LoveAR View Post
    Does it affect the intended function of the lower?
    Jesus christ. Of course not.

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