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Thread: RFI - Holosun 407k/507k measurements

  1. #1

    RFI - Holosun 407k/507k measurements

    I am looking for a couple of measurements off of a Holosun 407k/507k if someone would oblige me.
    Overall length, and the distance from the mounting screw holes to the back of the optic. Preferably from the back of the screw hole to the back of the optic.

    Thanks in advance.

  2. #2
    Chasing the Horizon RJ's Avatar
    Join Date
    Jan 2014
    I have a 407k on a P365X slide. How precise do you need the measurement? I’m not near my calipers at the moment, but I might have a mm tape measure?

  3. #3
    Quote Originally Posted by RJ View Post
    I have a 407k on a P365X slide. How precise do you need the measurement? I’m not near my calipers at the moment, but I might have a mm tape measure?
    If you will be near your calipers soon I would prefer thousandths, but beggars can't be choosey.

  4. #4
    Member
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    Quote Originally Posted by cornstalker View Post
    I am looking for a couple of measurements off of a Holosun 407k/507k if someone would oblige me.
    Overall length, and the distance from the mounting screw holes to the back of the optic. Preferably from the back of the screw hole to the back of the optic.

    Thanks in advance.
    This kind of measurement really has to be done with the optic not mounted to get cleaner measurement of the actual hole.

    Front to back, note that the surfaces are curved.

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    Rear edge of screw hole to the back. Measured underside.

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    And in case you want to center the hole, here is the front edge of the hole to the rear of the optic.

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  5. #5
    Thanks, @JCN
    That'll do it.

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