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  1. #1
    Machine Gunner spyder's Avatar
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    Default AR dimensions help needed

    Can anyone tell me the exact dimension between the center of the barrel, and the gas port on an AR 15? I don't have a normal upper to get the dimensions off of (I have a monolithic).
    If you make something idiot proof, someone will make a better idiot... Forget youth, what we need is a fountain of smart. There are no stupid questions, just a lot of inquisitive idiots.
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  2. #2
    The "Godfather" of COAR Great-Kazoo's Avatar
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    Default

    Link 2 might be more of what you were looking for, IF you can read it.

    http://www.shilen.com/ar15Barrels.html#ar15Contours

    http://www.practicalmachinist.com/vb...72/index3.html
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  3. #3
    BIG PaPa ray1970's Avatar
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    Center of the barrel to the gas port?

    Should be about 0.112" if its a 5.56/.223.

  4. #4
    Machine Gunner spyder's Avatar
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    .783
    If you make something idiot proof, someone will make a better idiot... Forget youth, what we need is a fountain of smart. There are no stupid questions, just a lot of inquisitive idiots.
    Life is pleasant. Death is peaceful. It's the transition that's troublesome. --Isaac Asimov
    Like, where's spyder been? That guy was like, totally cool and stuff. - foxtrot

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