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01-09-2013, 11:00 PM
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Do I need a riser for Eotech or Bushnell
Hi,
I'm planning to video why a lot of people have a good reason for buying a military style civilian weapon, so I have a couple of 15-22's, and ordered an Eotech XPS2-0 for one of them. I will order a TRS-25 also.
The rifles have Magpul flip up sights, and I'd like to know if I need a riser to get co-witness or lower 1/3 co-witness with these sights. I'd like to set the Eotech rifle up for absolute co-witness, and the Bushnel rifle for lower 1/3 co-witness.
Will something like this work with the Bushnell? Amazon.com: UTG Low Profile Riser Mount with 13 slots: Sports & Outdoors
Thanks,
Todd
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01-09-2013, 11:11 PM
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You will need a riser for the TRS-25 for absolute co-witness, but I don't remember what height off the top of my head. I think it is 1/2"....
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01-09-2013, 11:19 PM
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You need a bit more than a 1/4" riser if you want 1/3 co-witness on the EOTech. I have an XPS 2-0 on my m&p 15x but I have an iron front post so it's much more neccassary to get the front sight out of my sight picture. Since they are flip up sights you do not a riser but to co witness you will. Larue and YHM make one that fits it very well. I have both. The YHM is on my 15x now and it's rock solid and only about $35 to $40.
Last edited by ESW; 01-10-2013 at 12:00 AM.
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01-09-2013, 11:21 PM
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Quote:
Originally Posted by Toddler
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That is too high for EOTech, but i'm not sure on your other site.
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01-09-2013, 11:24 PM
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I have the UTG medium riser for my Bushnell TRS-25.
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01-10-2013, 12:05 AM
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Pretty sure the only line of Eotechs that do not need a riser for lower 1/3 is the EXPS3 line. They come with a QD mount that sets it up perfect on an AR.
Mine is an EXPS3-4
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01-10-2013, 12:24 AM
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ESW,
Are you saying the UTG low riser is too high because .5" rise will give something more like lower 1/3 co-witness with the XPS2-0 and MBUS sights? Sounds like I need some type of riser, but less than .5" ? ? ? YHM is out of everything, but they say .5" rise too.
Color me confused.
Megsxr750, does the medium riser give you lower 1/3 co-witness?
Thanks guys,
Todd
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01-10-2013, 12:31 AM
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Quote:
Originally Posted by les strat
Pretty sure the only line of Eotechs that do not need a riser for lower 1/3 is the EXPS3 line. They come with a QD mount that sets it up perfect on an AR.
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I had seen that the EXPS3 would give lower 1/3, but I figured I'd save $150 and get the XPS2-0. Especially since I wanted to set the Eotech up for absolute co-witness.
I want to set the rifle with the Bushnell TRS-25 on it up for lower 1/3 co-witness.
Thanks,
Todd
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01-10-2013, 01:00 AM
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Quote:
Originally Posted by Toddler
I want to set the rifle with the Bushnell TRS-25 on it up for lower 1/3 co-witness.
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We set my son's rifle up for lower 1/3 witness originally and had to change it. The LED that projects the dot is in the way if you try to go for lower 1/3. We had to go with absolute with the TRS-25.
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01-10-2013, 01:09 AM
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Quote:
Originally Posted by Toddler
I want to set the rifle with the Bushnell TRS-25 on it up for lower 1/3 co-witness.
Thanks,
Todd
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the medium UTG mount (0.83") will give absolute. the high UTG mount (1") will give lower 1/3.
as cyphertext said, the area where the beam emits from at 5:00 blocks part of the front sight and it is distracting at first. i got used to it.
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01-10-2013, 01:10 AM
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Quote:
Originally Posted by Toddler
ESW,
Are you saying the UTG low riser is too high because .5" rise will give something more like lower 1/3 co-witness with the XPS2-0 and MBUS sights? Sounds like I need some type of riser, but less than .5" ? ? ? YHM is out of everything, but they say .5" rise too.
Color me confused.
Thanks guys,
Todd
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The YHM-220 is .300 not .500. I think the LaRue is something like .285.
.500 riser would be much lower in the sight window or possibly off the bottom of the site. these EOTech riser are very short.
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01-10-2013, 07:02 AM
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I thought the Eotech was designed to be used flat on the rail? I will admit the least Eotech I used was about 3 years ago because I am an Aimpoint fanboy.
KBK
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01-10-2013, 10:33 AM
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Thanks Guys,
Cyphertext, you said you had to change the height of the Bushnell on your son's rifle.
Did you lower it to have absolute co-witness, or does the LED emitter block even more of the site set up that way?
If the Bushnell works better in absolute co-witness with the Magpul sites, maybe I should mount the Bushnell for absolute co-witness,
and set up the Eotech scoped rifle with lower 1/3 co-witness using the riser ESW pointed me to.
ESW, thanks for letting me know those risers were sold by other places. I thought it was a proprietary item I had to order from them.
There are plenty of places that have them in stock.
Also, I'm getting this stuff to hopefully use in a video response to CNN/Piers Morgan/and other media sources who are providing a lot of misinformation to the public. Even got a simple 4x32 Bushnell scope for my Marlin 880, and now I have to figure out how to mount that as well. (Can you tell I'm not an optics guy?)
Todd
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01-10-2013, 11:01 AM
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We went lower for absolute. His rifle is set up with the magpul BUS, both front and rear, and the TRS-25 on the riser.
Soundwave is correct. The .83" riser is the one you need for absolute. I bought all three sizes and the .5" and the 1" are back in the packages in the spare parts box.
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01-10-2013, 11:47 AM
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Thank you. I'll get the medium UTG riser.
Last question on the Bushnell rifle. Will the short riser be enough: Amazon.com: UTG Medium Profile Riser Mount with 3 slots: Sports & Outdoors
or should I get the 5.7" long version? The longer version is actually less $.
Todd
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01-10-2013, 12:16 PM
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The short one is enough, but we currently have the longer rail on his rifle. With the Magpul BUS, it currently bridges the receiver and rail by one slot, which I don't like but I already had the rail and just haven't made it back over to the store to pick up the short riser. I think it is a personal preference though.
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01-10-2013, 01:04 PM
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I use the UTG Leapers 3 Slot Angle Mount QD System (MAD0340) on the TRS-25 which is 1.03" tall and I have lower 1/3... love the mount and the fact it is QD so I can remove quick and use BUIS and it is a minimal mount with just enough slots for the TRS-25. They cost under $15.
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01-10-2013, 02:46 PM
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Thanks, that one does look cool, but I actually ordered the short one from optics planet already.
This is becoming an expensive project !
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01-10-2013, 02:50 PM
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I like it as it allows for a 45* mount also so later on down the line, that mount could serve double duty under a scope for a 45* reflex I have.
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01-10-2013, 02:56 PM
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I've put my Eotech 522 on my 15-22 MOE mounted directly to the receiver and have pure cowitness with the Magpul sights. I like it as the front sight is in the center of the Eotech window as opposed to the lower 1/3.
Last edited by Rolex24; 01-11-2013 at 04:04 PM.
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01-11-2013, 04:06 PM
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I added pictures to my previous post.
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01-12-2013, 02:40 PM
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Quoted from an earlier thread: I use a 1" UTG 3-slot riser under a Bushnell TRS 25 for full witness with my MagPul front. I swap it out with a scope occasionally, and the UTG/TRS combo holds zero very well.
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01-12-2013, 02:58 PM
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Do I need a riser for Eotech or Bushnell
Quote:
Originally Posted by Locked-N-Loaded
I like it as it allows for a 45* mount also so later on down the line, that mount could serve double duty under a scope for a 45* reflex I have.
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And you can use the 45* feature, and add a ladder rail pointing towards the back and have a makeshift brass deflector
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01-12-2013, 08:55 PM
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Quote:
Originally Posted by Dikinalaska
And you can use the 45* feature, and add a ladder rail pointing towards the back and have a makeshift brass deflector
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As a right handed shooter, I never have issues with the brass so as much as I love mods and such, this will be one I never do. And IF I ever did, I would want one of the neater in-progress deflectors seen here. The ladder trick might work, but is a little ghetto for me I like things more properly designed.
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01-12-2013, 09:01 PM
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Do I need a riser for Eotech or Bushnell
Ya I don't see ever doing it either, just heard its nice for brass not flying. I have about an equal balance between doing it the right way, and using what you've got. Agree on the ghetto aspect tho.
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01-12-2013, 09:44 PM
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Quote:
Originally Posted by Locked-N-Loaded
As a right handed shooter, I never have issues with the brass so as much as I love mods and such, this will be one I never do. And IF I ever did, I would want one of the neater in-progress deflectors seen here. The ladder trick might work, but is a little ghetto for me I like things more properly designed.
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Since, at this point, the Southern-engineered model is the only game in town, I have it on mine and both grandson's rifles. It works and that's more important to me than looks. As for the other one, it's been "in another couple of weeks" for about three, maybe four, months now.
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