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Eotech ????

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2008 at 03:37
ghost82 View Drop Down
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I just recently purchased a new Bushmaster XM-15 A2 with fixed carry handle.  I am interested purchasing the Eotech 512 to use on this since i have already mounted an arms carry handle mount.  Will the front sight cause any issues with the Holosight as far as sight picture?  The Eotech seems like it would be high enough up, but does it have enough adjustment to compensate for the height. I like the 1 moa dot as opposed to the standard 4 moa on Aimpoint products. Most peeps nowadays seem to be buying up the flat tops as opposed to fixed carry handles and dont run into these issues with flip sights and all.  Any input would be great.  Thanks!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2008 at 08:39
Rancid Coolaid View Drop Down
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Which Arms did you buy?  I have Trijicon's version of the #39, but with the ability to adjust the lower platform height.

Are you wanting to co-witness the irons or be completely above them?  In my opinion, co-witness is an important thing if the rifle might be used for self-defense.

I have the Eotech and the Aimpoint, both are great scopes.  For CQB, I prefer the Eotech, quick on target; for longer-range stuff, the 1 MOA dot isn't as well defined as I would like, and prefer the Aimpoint.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2008 at 13:22
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I just bought the Arms carry handle mount with see through hole so i can still use irons if needed.  I would prefer not to have to look through the iron front with the red dot if at all possible.  Im using this for a patrol rifle.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2008 at 14:19
cheaptrick View Drop Down
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RC's the real expert here, but I would either sell the fixed carry handle upper and get a flat top upper to put a optic on, or stick with the carry handle sight of the upper you have and use the irons.
 
 


Edited by cheaptrick - August/01/2008 at 14:20
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2008 at 16:45
Rancid Coolaid View Drop Down
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Originally posted by cheaptrick cheaptrick wrote:

RC's the real expert here, but I would either sell the fixed carry handle upper and get a flat top upper to put a optic on, or stick with the carry handle sight of the upper you have and use the irons.
 
 

Suddenly I feel all warm and fuzzy!

Your carry-handle mount isn't best as it mounts the optic significantly off the bore axis (optic far away from bore= significant change in POI as range changes.)

As CT says, I'd recommend either switching to a flat top upper or switching to a mount that lets you mount the optic lower (flat top upper is bet of the 2.)  Arms #39 is a good gooseneck.

The front site post will always be there (unless you get a fold-down - which I don't care for);however, in no time, you won't notice the front site post any more, and WHEN (not "if") the batteries fail, you'll want to see that post.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2008 at 03:26
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What is the rifle for?  Aimpoint makes 2 MOA dots.  Being faster is a training issue.
 
Aimpoints battery life is longer
No auto shut off (a good thing if this is going to be a home/land defense gun)
In your situation the Aimpoint will be lower to the bore axis that Rancid mentioned.
 
My opinion, use your 0-2 sight and practice until your fingers are blistered from loading magazines.  So many people have forgotten how fast and simple iron sights can be.  They've been blinded by watching Ricky Recon and want to be exactly like him. 
 
I am in no way bashing red dot sights.  Red dot sights are a very dynamic tool.  They are fast.  They absolutely have there uses, but do you really need one?  To me it's more sh*t that can break and add weight to what is supposed to be a light weight rifle.
 
I see red dot sights as a piece of technology that was invented to allow us to be faster by supplementing more fundamental training for a hip cool piece of gear that did it for us.  Too much of that crap has been going on.
 
My pennies rolling towards you.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2008 at 05:23
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VERY good advise from two squared away Marines.
 
I'll take their recommendations over "Recon Ricky's" any day!!! Marines 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2008 at 08:50
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if you don't like the front site, change the gas block, if you want to look over it, you will need a riser on the mount, which may require your own smithing, if so a cheek riser by dpms (or somebody) will be needed to allow the sight plane to go over the carrying handle. this gives a very high head hold but works well. the downside is that the carrying handle mts. have a lot of lateral "give" in them -- so don't expect precision groups.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/03/2008 at 05:15
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I had an EOTech on my AR and finally figured out I was better with the irons.
 
No battery or adjustment on irons.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/03/2008 at 12:40
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I have Eotech on my home defense AR, great for low light and fast on-target.

I do agree with Mithran that red-dots are, for many, a substitute for good marksmanship skills - which is unfortunate.

If you can co-witness, irons are great with EoTech.  I've learned to use the window of the Eotech in place of the rear site aperture and have taken it off and can shoot OK with the Eotech off and the front site post.

Nothing is a good substitute for rounds down range.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/03/2008 at 13:19
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Originally posted by Rancid Coolaid Rancid Coolaid wrote:

I do agree with Mithran that red-dots are, for many, a substitute for good marksmanship skills - which is unfortunate.


Nothing is a good substitute for rounds down range.
 
Gospel truth right there.  
 
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