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AR15.COM
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5/1/2016 9:59:09 AM EDT
I'm waiting on my stamp for an 8" MPX Gen 2

I'm trying to decide between the Aimpoint T2 or the Trijicon MRO.

I'd like to get everything I need early so I can configure it when it gets out of jail.... HA

I'll likely go with a LaRue mount but I'd like recommendations on the correct height...?

HK height (low), Absolute co-witness (med) or Lower 3rd (high)

On my ARs I prefer the absolute co-wit and I leave my BUIS down.

Any help or pictures are appreciated...!
5/1/2016 11:49:52 AM EDT
[#1]
MRO in an absolute co-witness mount gives you lower 1/3 on the MPX.
5/1/2016 7:01:55 PM EDT
[#2]
How's the cheek weld...?

Do you feel it's a touch high or comfortable..?

I have some lower 3rd mounts on AR but unsure how I'd like it with the factory collapsible.
5/2/2016 5:45:09 PM EDT
[#3]
I have an MRO on mine and love it.  Larue only makes the mount in the 1/3 though.



I think it depends on what stock you put on it.  I have the thin folding stock and the absolute co-witness work well.
5/4/2016 11:44:16 AM EDT
[#4]
Go with absolute co-witness. The taller AR mounts like Larue do not work well on it.
5/4/2016 4:25:28 PM EDT
[#5]
Quote History
Quoted:
Go with absolute co-witness. The taller AR mounts like Larue do not work well on it.
View Quote

I love the lower 1/3rd T-1 mount that I have on my MPX.
5/5/2016 11:30:43 AM EDT
[#6]
I like low mount on the MPX.   I run a MRO with a low mount personally.  In the shop we have our select fire with a T2 on a lower 1/3rd.  

I can shoot it, but I have to pick my head up some.  Naturally I like a really firm cheek weld with my head down a bit.  (Not too far down so as the top rim of glasses get in the way, but a bit low.)

The low mount is perfect for me, however I suspect a whole lot of guys are going to want an absolute mount.  With the lower 1/3rd, when I shoulder the rifle I see the dot fly through the glass and disappear again.  Naturally, I want it to where I bring the rifle up and immediately everything is on target and I don't have to adjust my head or do any hunting for the dot.
5/11/2016 12:01:53 PM EDT
[#7]
I went with this one, "Full Co-Witness", free shipping and no tax:

https://www.botach.com/trijicon-mro-w-american-defense-quick-release-mount/

I know, I know....  some of you all are haters on Botach...

I ordered 5/1 and received on 5/5.  I have only had great experiences with them.

I have not sighted it in yet and it feels natural.  I didn't want the sight to sit high on the MPX and make the gun look larger than it really is.

I normally use lower 1/3 on my Aimpoints.  I was going to go with LaRue but they did not have the Full Co-Witness mount.

I hope this helps!

D
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