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How high of a mount would I need?

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  • Paul053
    Senior Member
    • May 2011
    • 1061

    How high of a mount would I need?

    I'm recently bought my first AR and it is also my first centerfire rifle. I've never been taught what constitutes a proper cheek weld so I just went with what was comfortable, which is to say I rest my cheek bone on the top of the comb. Its comfortable and its consistent for me.

    So now I'm looking into getting an Aimpoint Micro for my AR and I know that the different heights of mounts are to get a absolute or lower 1/3rd cowitness. I have a Bushnell TRS on my Sig 522 so I decide to get a UTG El Cheapo high Mount for it to try out on my AR. After mounting it and getting the cheek weld I'm comfortable with I notice that the red dot itself is sitting in the lower 1/3rd portion of the lens instead of the middle like how I have with it setup on my Sig, which is no mount at all. I have to physically lift my head up and nearly break my cheekweld to bring the dot back to center. I find this to be a less optimal shooting position due to it being uncomfortable and difficult to repeat.

    So how should I proceed? Get a medium mount/absolute cowitness mount to bring the red dot back to center of the optic? or learn to shoulder my rifle differently?

    Thanks for taking care of a noob!
  • #2
    SURVIVOR619
    Veteran Member
    • Aug 2011
    • 3629

    Cowitness is not all it's cracked up to be... Learn irons well; learn your scope well on it's own. Then you're GTG either way.
    Respect, Survivor619
    Only the wise will understand and survive...
    sigpic

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    • #3
      Paul053
      Senior Member
      • May 2011
      • 1061

      Originally posted by SURVIVOR619
      Cowitness is not all it's cracked up to be... Learn irons well; learn your scope well on it's own. Then you're GTG either way.
      Respect, Survivor619
      Thanks I get what you're saying but maybe not the other way around. I'm not asking which is better, absolute vs lower 1/3rd. I'm asking if where my cheekweld is do I need to go with a lower mount if I decide to go with a Aimpoint Micro, so that the dot remains centered in the optic. Thanks for your comment though. Any help is appreciated.

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      • #4
        Grumpyoldretiredcop
        Calguns Addict
        • Sep 2008
        • 6437

        The only issue that I can see with using a lower riser is that unless you have folding iron sights, you would have to look through the sights to see the optic's dot if you want to use the same cheek weld that you do with iron sights. If that doesn't bother you, or if your iron sights fold down, there's no reason why you shouldn't go with the lower (absolute cowitness) riser.

        If I understand correctly, the big advantage of using a lower 1/3 cowitness setup is that by raising your cheekweld slightly, you're looking over the iron sights at a relatively uncluttered sight picture through your optic. You get one or the other, your choice. Personally, I prefer the lower 1/3 setup as I have standard front sight bases on almost all of my ARs with folding rear sights and I don't mind slightly raising my cheekweld to get the dot above the front sight.
        Last edited by Grumpyoldretiredcop; 01-28-2012, 11:54 PM.
        I'm retired. That's right, retired. I don't want to hear about the cop who stopped you today or how you didn't think you should get a ticket. That just makes me grumpy!

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        • #5
          greenhead1
          Junior Member
          • Jan 2012
          • 22

          Paul053, a proper cheek weld simply ensures your sights are the same everytime, whether that's through irons, optical scope, or holographic sights and red dots. Having the proper cheek weld may depend on the sights you use on your weapon in order to get the correct picture. You can always get back to the position you choose, but that may take time without a reference point such as placing your nose on the charging handle, for instance.

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          • #6
            adamsreeftank
            Senior Member
            • Jan 2006
            • 2244

            One thing to keep in mind with the 1/3 style is that if you are running and gunning, you will probably have your head up higher to get a wider field of view anyways, as opposed to the locked-in accuracy you can get with a solid cheek weld and iron sights.

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