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  1. #1
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    Aug 2016
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    East Rand
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    Default Low Profile gas block - AR 15 sight problem

    Hi There,

    A noob needs some assistance, please !

    Got my new AR-15 last week and took it to the range over the weekend to do sight fitment (Magpul Gen 2 flip ups) and alignment.

    Alignment did not happen because of the front sight is fitted to a low profile gas block. Gas block rail and receiver rail not on the same plane/level.

    After taking some measurements it was determined that I would require a 1/4" riser block for the gas block to lift the front sight to enable alignment.

    I came to the conclusion, after serious web browsing and phoning gun shops around the country, that a 1/4" riser is non-existent.

    What options is locally available, I was thinking :

    1) replacing the gas block so I can use my current front sight.
    2) get a low profile gas block front sight
    3) DIY a riser for my current setup (low profile gas block + Magpul gen 2 front sight). if this has been done before, can someone share their wisdom :)
    4) what else ?

    Input will be appreciated.
    thank you

  2. #2
    User
    Join Date
    Jul 2008
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    29,307

    Default Re: Low Profile gas block - AR 15 sight problem

    5)Give the 18th century back its sights and put optics on the gun like nature intended

  3. #3
    User
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    Aug 2016
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    Default Re: Low Profile gas block - AR 15 sight problem

    Lol thanks T, okay so you suggest something like :
    Magpul front + RDS rear

  4. #4
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    Join Date
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    Default Re: Low Profile gas block - AR 15 sight problem

    I suggest a variable power scope on top and a RDS on an offset.

  5. #5
    User
    Join Date
    Aug 2016
    Location
    East Rand
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    Default Re: Low Profile gas block - AR 15 sight problem

    Thanks will look into this setup !

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