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What's this thing on my rear sight? (pics)

Discussion in 'The Kalashnikov Klub' started by EM87, Jan 6, 2010.

  1. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    It folds up and down, doesn't affect the sight picture at all.

    [​IMG]

    [​IMG]
     
  2. GerryV

    GerryV

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    Mar 21, 2009
    Its purpose is to raise the rear sight. You slide it forward as the distance to your target increases.
     


  3. SidX

    SidX NRA Member

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    Mar 24, 2009
    Pennsylvania
    Probably has expired night sights in it or they have been painted over.
     
  4. TedG954

    TedG954

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    Dec 13, 2007
    Assuming this is a serious question (?), when you depress the button, you can slide the mechanism forward or back. The top of the slide has a point, or indicator. The numbers on the top of the sight correspond with the distance, in meters, that your sight is set on. As Gerry stated, you can raise and lower the sight, thus raising and lowering distance to target point of aim. Do some research on the web and learn how to use it. It may come in handy.

    Good luck.
     
  5. SidX

    SidX NRA Member

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    Mar 24, 2009
    Pennsylvania

    I see what you are talking about in the pics...
     
  6. my762buzz

    my762buzz

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    Mar 21, 2007
    Its there to make the bullet speed go faster. Its a sliding bullet speed adjustment knob.
    If you sqeeze it in when firing it makes the cyclic rate increase also.
     
    Last edited: Jan 6, 2010
  7. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    It was a serious question! But I didn't explain it clearly, I suppose.

    Sorry to all you who thought I was asking about the slider that adjusts the vertical sight picture. I was asking about the thing behind it that flips down. You can see it down in one pic and up in the other.

    SidX suggested that they're expired night sights, or at least somewhere to put them if they haven't been installed before. That was my guess too, although I wanted to ask to see if others thought the same. I didn't include a picture of the back of the rear sight, but there are two small holes next to it exactly where night sights would go. Pretty cool! Can anyone suggest a good brand to install?

    I got a good chuckle out of what my762buzz said:

    "Its there to make the bullet speed go faster. Its a sliding bullet speed adjustment knob.
    If you sqeeze it in when firing it makes the cyclic rate increase also."

    Awesome. :p
     
  8. GerryV

    GerryV

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    Mar 21, 2009
    Aaahhh, "I see now", said the blind man. No idea what it's for. The night sight explanation makes sense.
     
  9. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    ...as he picked up his hammer and saw.
     
  10. Nicoroshi

    Nicoroshi Avid Shooter

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    Nov 14, 2008
    The liberal playground
    It is a flip up night sight normally found on Yugo's.
    From the bulged front trunnion I can tell your rifle 'is' a Yugo.
    There should also be a flap on the front sight (just below the actual sight post on the side opposite the muzzle) that houses the flip up front night sight.
    The half life of tritium is about 12.5 years. After that it will not glow anymore.
    On the Yugo M70AB2 kit that I am currently working on re-welding the milled receiver I decided to use some glow in the dark paint to bring back the functionality of the burned out tritium. You can find it at hobby shops or online.
     
  11. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    Woah, that's neat! I don't think this rifle has ever had night sights installed on it because when I look in those small holes I see what looks to be the same metal that the sights are made of within the slight recession of the holes. What I'm wondering now is how the night sights can be accurate if I had to adjust the front sight to sight in the rifle. That flip-up front sight doesn't move at all. Right now it's exactly behind the front sight post, but the rifle shoots consistently low left. How do I fix the accuracy of the night sights once I adjust the front sight post? It seems like I wouldn't be able to.
     
  12. space_weazel

    space_weazel

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    Sep 26, 2005
    Or-e-Gone?
    They are either expired tritium night sights or more likely photo active night sights, you know the stuff you expose to light and it will glow (not very brightly) for a little while, put your gun under a lamp for a minute or so and then go in to dark room and wait a minute for your eyes to adjust some and they will probably glow a little, unless they are old tritium in which case they may glow a little or not at all.....
     
  13. Nicoroshi

    Nicoroshi Avid Shooter

    1,343
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    Nov 14, 2008
    The liberal playground
    I believe (meaning I am not sure on this but I personally haven't found a way) that the front flip up sight is non-adjustable.

    Could be that the tritium has been drilled out also by whomever rebuilt your Yugo. The two small holes you speak of should be almost flush, and not 'holes'.
    (Apologies for the slightly out of focus picture but you can get the idea)
    My burned out Tritium on the re-weld milled receiver kit I am working on.
    [​IMG]
     
  14. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    Nicoroshi, thanks for the info! I love learning new things about my AK!
     
  15. DJ Niner

    DJ Niner Moderator

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    Feb 13, 2001
    North-Central USA
    As you cannot see or ID targets very far away in low-light conditions, they are generally intended for close range use. Close-in, the minor POA/POI difference wouldn't be a critical factor in hitting vs. missing the target.
     
  16. EM87

    EM87

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    Oct 21, 2009
    Grand Rapids, MI
    Makes sense! Thanks. :D
     
  17. Novocaine

    Novocaine

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    Jun 10, 2004
    Is it indeed the tritium that suppose to be there, not the paint? To me the thingie just doesn't look thick enough to house vials. Especially if the holes are blind.