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EOtech XPS2 Question

Discussion in 'Black Rifle Forum' started by Warhorse, Feb 7, 2010.

  1. Warhorse

    Warhorse

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    I am considering purchasing this for my Bushmaster AR w/16" HB that has the detachable A3 carry handle.

    Can this be mounted directly to the receiver and give a good sight picture, or will I need to add another mount, such as a Larue to raise the sight up higher to see over the front sight? If a riser mount is needed, what height would you recommend?
     
  2. G32sapper

    G32sapper

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    I have run my EoTechs right on the reciver so I can co witness it with the BUIS. The front sight does not bother me. I am sure someone will jump in that have used risers and tell you about them
     

  3. Three-Five-Seven

    Three-Five-Seven Señor Mombo Millennium Member

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    It can mount directly to the receiver, no problems. Nice thing about the xps is that you have a lot of choices about how close, or far from your eye you wish to mount it. Eotech includes a screw for use with tools and a second screw that has a thumb boss on it.

    You do not need any other mount to have a secure and successful installation.

    GG&G and LaRue both make mounts for this sight. I would consider a mount if multiple rifles are in your collection.
     
  4. duncan

    duncan Millennium Member Lifetime Member

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    mounts well direct to ft - best way and designed to co-witness from your FT. The XPS also comes in a 1 MOA dot too. Just don't like how how my Aimpoint clones are.
     
  5. fivestar

    fivestar

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    My XPS 2-0 is mounted directly to the flat top on my Optics Ready Smith. A few years ago I had a flat top Bushy with the standard FSB. On that one I used the LaRue LT-110 to raise it up over the sight post.
     
  6. Warhorse

    Warhorse

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    Was that the only way to get the red dot on top of the front sight post?
     
  7. fivestar

    fivestar

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    The dot will sit right on the post without the riser. I just didn't like looking thru the sight and seeing the post. With the riser, you see less of the post. That's why I went for the Optics Ready model back in December. I just hated looking at the post. I have a front BUIS and it works perfectly. With both the Eo and the front sight zeroed, the dot sits squarely on the post. Now though, I can flip the sight down and have a full field of view thru the holo sight.

    It really makes no difference other than personal preference.
     
  8. AggiePhil

    AggiePhil ΜΟΛΩΝ ΛΑΒΕ

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    It's all personal preference. After some experimentation, I found that I don't like mounting the optic on a riser (referred to as a lower 1/3 co-witness, since you wind up with your irons in the lower 1/3 portion of your red dot sight picture) because it causes you to raise your cheek up on your stock--I prefer a tighter cheek weld.

    To further complicate matters, I found that I like the iron sights to be completely out of the way most of the time. So I wound up having my front sight tower shaved down into a low-profile front sight base, and I went with flip-up iron sights (both front and rear). Now the iron sights are completely out of the way unless I flip them up. Again, to each his own and it might take some experimentation on your part before you find the setup that works best for you.

    [​IMG]
     
  9. SVTNate

    SVTNate Packers fan

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    Where are you guys buying the XPS 2-0? I'd like to order one but a lot of places seem to be out of stock.
     
  10. fivestar

    fivestar

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    I bought mine from DSG. I highly recommend them, but they're out of stock right now.
     
  11. Warhorse

    Warhorse

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    Thanks for the input you guys.

    I will get the XPS when I can, then if I do not like seeing the front sight I'll get the LaRue riser mount.
     
  12. MARSH1

    MARSH1 Dealer Silver Member

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    EOTech showed a new version with the riser built in, at SHOT two weeks ago. I don't have a ETA yet.

    Marshall
     
  13. SVTNate

    SVTNate Packers fan

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    I got one for $469 locally this afternoon, and it's already on my rifle.
     
  14. madcitycop

    madcitycop

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    Botach and they have 10% off with the code stimulus.
     
  15. MARSH1

    MARSH1 Dealer Silver Member

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  16. mkmckinley

    mkmckinley

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    I bought one from primary arms and had a good experience. If you mount an XPS directly to the receiver you get a "dot on sight post" cowitness. With a riser (YHM make a cheap one that works fine) you can get a "lower 1/3 cowitness.
     
  17. Daekwan

    Daekwan Colts & Glocks!

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    1) Exact same way I run my 6940.. both sights flipped down, XPS mounted directly (no riser).

    2) Order from Primary Arms.. best price, quick shipping, excellent customer service.
     
  18. MARSH1

    MARSH1 Dealer Silver Member

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    Cowitness can be confusing. Here is the best way to uderstand it.

    1: Zero your iron sights

    2: Turn off your red dot. If the irons line up in the center of the sight window you have absolute cowitness. XPS2-0 is absolute. Remeber the red dot is off!!!! If the irons line up in the lower part of the sight window you have lower 1/3 cowitness.

    When you turn the red dot on if it is zeroed at the same distance as the irons, the dot will sit on top of the front sight post with absolute or lower 1/3cowitness.