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Thread: Rust under front A2 sight?

  1. #1
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    Rust under front A2 sight?

    Hi all
    I check my guns in my safe anytime I donít go shooting for a bit and since itís been about a month I wanted to inspect all my guns. It seems that only my LE6920 might have some rust forming under the A2 sight. All my other rifles and handguns are spotless and my safe has 3 dehumidifiers running with humidity ranging 35%-40%. The colt is my oldest AR and Iíve shot it the most. Is that rust? Some gas come off from a remoil wipe and I plan to scrub it out. Am I overreacting? Thanks.




    E07CFB48-3EF5-41ED-B601-A386CF3184C1.jpg

  2. #2
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    Is it only a discoloration or can you observe / feel any texture, such as, dragging a soft Q-tip across and it catching a fiber?

  3. #3
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    Colts are parked under the FSB, so it "shouldn't" be rust. I've had old Bushmasters get surface rust under the FSB due to parking after the FSB is pinned.
    "You people have too much time on your hands." - scottryan

  4. #4
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    The red schmootz you're seeing is more than likely old preservative.
    Quote Originally Posted by sinister View Post
    There are two kinds of nations in the world -- those that use Metric and those who have walked on the moon.
    http://i115.photobucket.com/albums/n289/SgtSongDog/AR%20Carbine/DSC_0114.jpg
    I am American

  5. #5
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    Had the time to today so I sprayed some solvent on the barrel and did light scrubbing with a nylon brush and it cAme right out. I feel like if it was rust it wouldn’t have come out so easy. I could be wrong though.

  6. #6
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    My LMT upper does the same thing, looks like rust in color but cleans off without issue.

  7. #7
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    I just find it odd it only happens to my Colt and not my BCM or Spikes. This is now the second time in 6 years I’ve cleaned it off.

  8. #8
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    Have you used any lube with a red tint in it? If so, maybe it just puddled up causing you to notice it.

    NYH1.

    Take nothing I say personal, remember....it's just the interweb!

    RIP AC!

    New Yorkistan sucks
    NRA, NYSRPA, S.C.O.P.E. Member.
    FUAC

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