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Thread: A key step often missed in scope mounting

  1. #1

    A key step often missed in scope mounting

    A lot of people get a scope, attach the rings or mount to the rifle, then sort of "eyeball" things to line up the vertical and horizontal axes of the scope's reticle. Wrong.

    Before you even do that, you need to make sure the reticle in your scope is actually straight. Some scopes make it out of the factory with the reticle canted, or misaligned, and if that's the case, you will never be able to make accurate windage and elevation adjustments. Any adjustment you make will actually be diagonal, not straight up, down or sideways.

    So, before even mounting the scope, check it to be certain. I've made the attached little diagram to show how I do it:






    I start by hanging a string with a weight on the end of it (plumb bob) from the ceiling. I have a "chandelier" type light fixture in my breakfast nook, so I use that. Then I place the scope in its mount or rings on the counter, about 10 feet away and aimed at the string.

    Using a small torpedo level on top of the elevation turret, I slowly turn the scope in the mount until the bubble level shows it is perfectly level.

    Then I sight through the scope and compare the vertical reticle leg with the string ... it should be perfectly in line with the string. If it's visibly off, you really should return the scope and get another one, since you'll never be able to make accurate adjustments.

    If the vertical reticle leg and the string line up, and the scope is perfectly level, you know the scope itself is properly aligned and you are ready to mount it to the rifle.
    If someone blows up a school with a bomb they go after the bomber ... if someone shoots up a school they go after the gun.

    A privilege is just a right that has been taken away by government.

    Political correctness is cowardice wrapped in a lie.
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    2011 Infiniti M56, 30% ceramic tint, hard-wired Escort 8500 X50, LED cabin and trunk lighting - traded!


  2. #2
    Senior Administrator palmerwmd's Avatar
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    Nice tip!!
    "In the end we all just play the roles given us... Sometimes they dont fit so well,... but I guess we make do."

    Dont forget MultiMedia forums!!
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  3. #3
    The next thing to do is simple - just put your gun in a secure rest of some kind, and using your bubble level across the top of the reciever, make sure the gun is perfectly level side-to-side. Then put the scope in the mount/rings loosely enough to be able to turn it, and just sight through it at the same plumb line.

    Turn the scope until the vertical reticle leg is lined up with the plumb bob string and you're done. Just tighten the scope rings without moving the scope and you're ready to go.

    There are expensive kits sold to mount scopes, but they're really no better than this cheap method. The object is to align the scope with the gun, and align both of them horizontally and vertically. This method does that, as long as you have a flat horizontal surface on the top of your gun - guns with rails do the job nicely, since the scope itself mounts to the rails. If your gun has no flat surface on top, but has flat receiver sides, you can accomplish the same thing by using the level in a vertical orientation.
    If someone blows up a school with a bomb they go after the bomber ... if someone shoots up a school they go after the gun.

    A privilege is just a right that has been taken away by government.

    Political correctness is cowardice wrapped in a lie.
    ________________________________

    2013 Acura RDX Tech, 30% tints, hardwired Escort 8500 X50

    2011 Infiniti M56, 30% ceramic tint, hard-wired Escort 8500 X50, LED cabin and trunk lighting - traded!


  4. #4
    Handy post of the week award!
    Am I blessed or possessed?

  5. #5
    Senior Administrator palmerwmd's Avatar
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    Quote Originally Posted by Magus View Post
    Handy post of the week award!
    Word!

    I'll make it a sticky!
    "In the end we all just play the roles given us... Sometimes they dont fit so well,... but I guess we make do."

    Dont forget MultiMedia forums!!
    http://www.freshalloy.com/forumdisplay.php/55-Multi-Media-Forum

    2x91,92,94 Q45s, 2x 350Z, 1x 240SX w/ SR20DET, 1x Sentra SER SPEC-V, 2k2 Maxima, 2x03 G35, 09 Maxima, 2k2 Maxima, 2015 XTerra, 2005 Xterra, 2012 Pathfinder,

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