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Posted: 5/5/2006 5:58:50 AM EST
[Last Edit: 8/23/2007 7:02:25 AM EST by QUIB]
Since so many new members here often have questions on the different optics options available to them, I thought I’d post some pics of the various optics set ups I’ve used in the past or am currently using.

If you have a variation not posted yet, by all means post a pic with a description of what optics/BUIS combo your running. Magnified optics are also welcome, not just CQB types.

For those not familiar with the term “co-witness” here is an explanation.

AR-15 • Optics, Mounts, and Sights • The big bad BUIS FAQ

***Photos removed. See contributions from other site members posted below.***

Link Posted: 5/5/2006 6:25:29 AM EST
[Last Edit: 5/5/2006 6:26:22 AM EST by jollyroger]
Good idea for a thread QUIB.



Here's one. Aimpoint M2 on an ARMS mount with spacer, TROY BUIS. With this set up I get a lower 1/3 cowitness.
Link Posted: 5/5/2006 6:37:40 AM EST
[Last Edit: 5/5/2006 6:42:09 AM EST by jollyroger]
And here's another. Same gun, same Troy back up sight, the only difference is now it has the LaRue aimpoint mount. I still get the lower 1/3 cowitness with this set up.


Link Posted: 5/5/2006 7:08:25 AM EST
[Last Edit: 5/5/2006 7:10:52 AM EST by eklikwhoa]
never got into photochopping but here's my contribution to the thread.

trijicon acog ta31A (triangle reticle) in larue tactical mount


trijicon acog ta31 (donut reticle) in arms 19s


aimpoint m2 in arms mount and cantilever spacer and yhm lopro buis


trijicon acog ta31 in larue tactical mount and arms#40 with horizon cut apt.


trijicon ta31 in larue tactical mount and troy buis.


swfa super sniper 10x42m in badger ordinace high rings and arms #38s-ex


aimpoint clone from the ee in ripoff cantilever mount and cch buis



trijicon compact acog ta47r-2 (red triangle 2x) mounted in carry handle


aimpoint m2 mounted in arms mount no spacer on top of arms s.i.r. and arms #40


trijicon ta31F (chevron reticle) larue tactical mount and troy buis


armson oeg reddot mounted in carry handle.


aimpoint m2 in larue tactical cantilever mount and larue tactical buis
Link Posted: 5/5/2006 1:15:46 PM EST
IOR Valdada 1.1-4x26 CQB in Larue Tactical SPR-S mount. GG&G MAD BUIS.

Link Posted: 5/5/2006 1:28:27 PM EST
[Last Edit: 5/5/2006 1:29:27 PM EST by mr_wilson]


Left:
CMMG 16" 1/7, ARMS SIR #45C, ARMS #22M68, Aimpoint, ARMS #40 BUIS.

Right:
BCM 14.5" w/ perm. Phantom, 1/7, MI#20 FF rail, ACOG TA01 NSN, (built-in BUIS)

Mike
Link Posted: 5/5/2006 1:41:09 PM EST
[Last Edit: 5/5/2006 4:46:13 PM EST by MudBug]
Eotech 511 A65 (Since then replaced w/ a 512) on LaRue Eotech Mount w ARMS #40 std



Trijicon Accupoint TR21R on Larue SPR-E w. Troy Front and Rear Buis.



Eotech 511 A65 w/ YHM A1 Rear and std Front site

Link Posted: 5/5/2006 3:35:32 PM EST
[Last Edit: 5/5/2006 3:43:54 PM EST by ShadowEnt]
Aimpoint M3 & 3X Magnifier


Crap, does anyone know how to resize this?
Link Posted: 5/5/2006 4:44:58 PM EST

Originally Posted By ShadowEnt:
Aimpoint M3 & 3X Magnifier

i45.photobucket.com/albums/f73/radams01/DSCF0003.jpg
Crap, does anyone know how to resize this?



Irfanview
Link Posted: 5/5/2006 7:18:04 PM EST
Reserved For New Pic.

Nathan
Link Posted: 5/5/2006 8:26:52 PM EST
Very nice thread Quib.
Kevin
Link Posted: 5/6/2006 12:19:33 AM EST
[Last Edit: 3/12/2008 7:10:33 PM EST by Cyclic240B]
.
Link Posted: 5/6/2006 3:09:03 AM EST

Originally Posted By 8BLACKGUNS:
Very nice thread Quib.
Kevin




Thanks!
Link Posted: 5/6/2006 9:56:19 AM EST
As a newbie to the AR15 community, this kind of information with pics is indispensible. Thanks so much to everyone involved in it and especially to QUIB for starting the thread.
Link Posted: 5/6/2006 10:03:15 AM EST
tag for pics
Link Posted: 5/6/2006 10:28:05 AM EST

Originally Posted By justbill:
As a newbie to the AR15 community, this kind of information with pics is indispensible. Thanks so much to everyone involved in it and especially to QUIB for starting the thread.



Your welcome!

I had started a similar thread a few months back but it fizzled out and didn’t get much response. So, I thought I’d try again. There are so many options and variations when it comes to optics, I thought pictures and descriptions of what some of us are running might be of use. I’m glad some of you find it helpful.
Link Posted: 5/6/2006 10:51:25 AM EST
If this gets big enough I would vote the thread for tack worthy.
Link Posted: 5/6/2006 11:25:24 AM EST

Tri-Power in a Larue Tactical cantilever mount.

A view through the scope.
Link Posted: 5/6/2006 2:34:52 PM EST

Originally Posted By jollyroger:
If this gets big enough I would vote the thread for tack worthy.




+1
Link Posted: 5/6/2006 2:35:33 PM EST

Originally Posted By excist_and_reflect:
i39.photobucket.com/albums/e180/excist_and_reflect/IMG_0415.jpg
Tri-Power in a Larue Tactical cantilever mount.
i39.photobucket.com/albums/e180/excist_and_reflect/IMG_0331.jpg
A view through the scope.





nice!
Link Posted: 5/6/2006 3:16:22 PM EST
[Last Edit: 5/13/2007 3:32:45 AM EST by VARANGIAN]
Aimpoint M3, Larue LT129 mount, 3x-mag, Larue LT-602 mount, Troy buis.

Eotech 512.A65, Troy buis.

Aimpoint M2, Larue LT-150 mount, Troy buis.

Link Posted: 5/11/2006 10:12:19 PM EST

Originally Posted By VARANGIAN:
Aimpoint M2, Arms mount with cantilever spacer, and LMT buis.
img341.imageshack.us/img341/8215/sl15tq.jpg

Aimpoint ML2, Arms mount with spacer, and LMT buis.
img317.imageshack.us/img317/755/bm205yp.jpg



ARMS #22M68 with full spacer for lower 1/3 cowitness on that second pic? Do you get a lower 1/3 with the cantilever spacer as well?
Link Posted: 5/11/2006 10:56:12 PM EST
Link Posted: 5/12/2006 12:15:27 AM EST
Every pic on here is SWEET!@
Link Posted: 5/12/2006 12:33:37 AM EST
[Last Edit: 5/12/2006 12:34:27 AM EST by millsie]
What is this mount?



And who sells em. Brownells? (to ship overseas also)
Link Posted: 5/12/2006 12:43:49 AM EST
Link Posted: 5/12/2006 1:00:39 AM EST
EOTech 512 Rev F. w/ A.R.M.S. #40 BUIS: Absolute Co-witness



Shown with BUIS folded down.


WIZZO
Link Posted: 5/12/2006 1:55:28 AM EST
[Last Edit: 5/12/2006 2:24:11 AM EST by VARANGIAN]

Originally Posted By Matthew10_28:

Originally Posted By VARANGIAN:
Aimpoint M2, Arms mount with cantilever spacer, and LMT buis.
img341.imageshack.us/img341/8215/sl15tq.jpg

Aimpoint ML2, Arms mount with spacer, and LMT buis.
img317.imageshack.us/img317/755/bm205yp.jpg



ARMS #22M68 with full spacer for lower 1/3 cowitness on that second pic? Do you get a lower 1/3 with the cantilever spacer as well?



Yes its a 22M68 with full spacer, and they both cowitness in the lower 1/3.
Link Posted: 5/12/2006 3:23:58 AM EST

Originally Posted By VARANGIAN:

Originally Posted By Matthew10_28:

Originally Posted By VARANGIAN:
Aimpoint M2, Arms mount with cantilever spacer, and LMT buis.
img341.imageshack.us/img341/8215/sl15tq.jpg

Aimpoint ML2, Arms mount with spacer, and LMT buis.
img317.imageshack.us/img317/755/bm205yp.jpg



ARMS #22M68 with full spacer for lower 1/3 cowitness on that second pic? Do you get a lower 1/3 with the cantilever spacer as well?



Yes its a 22M68 with full spacer, and they both cowitness in the lower 1/3.



What is the height of the full spacer (flat top to top of spacer), 1/2 or 3/4 inch?
Link Posted: 5/12/2006 3:49:50 AM EST

Originally Posted By GumbyDammit:

Originally Posted By VARANGIAN:

Originally Posted By Matthew10_28:

Originally Posted By VARANGIAN:
Aimpoint M2, Arms mount with cantilever spacer, and LMT buis.
img341.imageshack.us/img341/8215/sl15tq.jpg

Aimpoint ML2, Arms mount with spacer, and LMT buis.
img317.imageshack.us/img317/755/bm205yp.jpg



ARMS #22M68 with full spacer for lower 1/3 cowitness on that second pic? Do you get a lower 1/3 with the cantilever spacer as well?



Yes its a 22M68 with full spacer, and they both cowitness in the lower 1/3.



What is the height of the full spacer (flat top to top of spacer), 1/2 or 3/4 inch?



Looks like 3/4 to the top of the spacer.
Link Posted: 5/12/2006 5:46:51 AM EST
...
Link Posted: 5/12/2006 7:08:08 AM EST
Thanks so much to all who have taken the time to post pics. It would be nice to try and keep this thread going, so many new guys out there unsure about which direction to go with their optics, I‘m sure seeing what‘s out there in use could help them out.
Link Posted: 5/12/2006 7:29:52 AM EST
EOTECH 552 with RRA mount



Link Posted: 5/12/2006 9:23:52 AM EST

Originally Posted By jollyroger:
If this gets big enough I would vote the thread for tack worthy.



Yes, It needs to be tacked

Good going QUIB

Link Posted: 5/12/2006 9:28:36 AM EST

Originally Posted By Nam_Ghost:

Originally Posted By jollyroger:
If this gets big enough I would vote the thread for tack worthy.



Yes, It needs to be tacked

Good going QUIB





Thanks!
Link Posted: 5/12/2006 7:54:34 PM EST
ARMS #17 Tri-lock mount and Comp II M68 ring
ARMS #38 Standard Sleeve
Aimpoint M3


Leupold QD rings on a GG&G rail.

Link Posted: 5/12/2006 8:01:19 PM EST
..
Link Posted: 5/12/2006 8:23:42 PM EST
EOtech 511 and ARMS 40.

Link Posted: 5/13/2006 3:13:33 AM EST
I have a couple stupid question here. My rifle has a RRA upper with a flip up front sight and detachable tactical carrying handle. Sitting in my safe waiting is a EOTech 552 which I plan to mount on a Surfire M73 handguard, which I am waiting on deliverly. Attached are a couple pics of the upper alone.

http://i74.photobucket.com/albums/i271/Ginsu69/IMG_0196.jpg

http://i74.photobucket.com/albums/i271/Ginsu69/IMG_0195.jpg

1st Q: Does it matter if I mount my EOTech that far forward?

2nd Q: When using the EOTech, do I need to have my front sight flipped up?

Mounting the EOTech on the tactical carrying handle give absolutely no co-witness and will not work there.

Thanks from the optics newbe

Rob
Link Posted: 5/13/2006 9:41:13 AM EST
Here's a question for the Faithful: Which is preferred, absolute co-witness or a lower 1/3 witness?

To my way of thinking, each has advantages and disadvantages. An absolute co-witness allows a very low sight mount. In theory, at least, that's good for accuracy since you're likely to maintain a solid cheek weld on the stock. The only serious disadvantage I see is that if you use a fixed rear BUIS you may be distracted by the somewhat busy sight picture. I'm pretty sure I would. A lower 1/3 witness avoids that busy sight picture, but the sight is mounted somewhat higher to achieve that result.

Does this sound reasonable?
Link Posted: 5/13/2006 10:43:30 AM EST
[Last Edit: 9/21/2009 1:47:12 AM EST by Alpha-Romeo3]

Aimpoint M2 with Knight's Armament QR straight high mount and Knight's 300 m BUIS, lower 1/3 co-witness




EOTech 551 no mount with Knight's 300 m BUIS, absolute co-witness




EOTech 551 no mount with LMT fixed BUIS, absolute co-witness

I prefer folding BUIS for medium to long ranges because I could concentrate better with the sight picture.

Fixed BUIS is my choice for CQB, it's always ready to go.


ETA: Fixed third pic broken link

Link Posted: 5/13/2006 12:01:26 PM EST

Originally Posted By Blue69:
I have a couple stupid question here. My rifle has a RRA upper with a flip up front sight and detachable tactical carrying handle. Sitting in my safe waiting is a EOTech 552 which I plan to mount on a Surfire M73 handguard, which I am waiting on deliverly. Attached are a couple pics of the upper alone.

i74.photobucket.com/albums/i271/Ginsu69/IMG_0196.jpg

i74.photobucket.com/albums/i271/Ginsu69/IMG_0195.jpg

1st Q: Does it matter if I mount my EOTech that far forward?

2nd Q: When using the EOTech, do I need to have my front sight flipped up?

Mounting the EOTech on the tactical carrying handle give absolutely no co-witness and will not work there.

Thanks from the optics newbe

Rob



Mounting the EOTech on your hand guards is a matter of personal preference, many folks have this set up.

The problem I see you running into is the ability to co-witness. The RRA Tac Handle was designed with the Aimpoint in mind. Mounting an Aimpoint to the Tac handle with a x-wide low ring would provide a co-witness.

Mounting the EOTech on the Tac handle will not provide you with the ability to co-witness. Mounting the EOTech on the hand guard, the Tac handle will block the EOTech widow due to the Tac handles height.

My suggestion is to sell the Tac handle and go with a good folding rear BUIS.
Link Posted: 5/13/2006 12:07:43 PM EST

Originally Posted By justbill:
Here's a question for the Faithful: Which is preferred, absolute co-witness or a lower 1/3 witness?

To my way of thinking, each has advantages and disadvantages. An absolute co-witness allows a very low sight mount. In theory, at least, that's good for accuracy since you're likely to maintain a solid cheek weld on the stock. The only serious disadvantage I see is that if you use a fixed rear BUIS you may be distracted by the somewhat busy sight picture. I'm pretty sure I would. A lower 1/3 witness avoids that busy sight picture, but the sight is mounted somewhat higher to achieve that result.

Does this sound reasonable?



Absolute or lower 1/3rd co-witness are again both a matter of personal preference.

Your theory on co-witness is absolutely correct. In my pics on page one you will see my EOTech/CCH combo. This set up was as you described, “too busy” for me. A riser of some type that provided a lower 1/3rd co-witness might have helped but I planned on eventually swapping the EOTech for an Aimpoint and decided to continue shooting as is.
Link Posted: 5/13/2006 1:30:06 PM EST

Originally Posted By QUIB:

My suggestion is to sell the Tac handle and go with a good folding rear BUIS.



That's my plan. I e-mailed RRA and confirmed I can order the Entry Tactical sans handle. Now I have to decide on which folding BUIS.
Link Posted: 5/13/2006 3:01:00 PM EST
Link Posted: 5/13/2006 5:08:15 PM EST

Originally Posted By QUIB:

Originally Posted By Blue69:
I have a couple stupid question here. My rifle has a RRA upper with a flip up front sight and detachable tactical carrying handle. Sitting in my safe waiting is a EOTech 552 which I plan to mount on a Surfire M73 handguard, which I am waiting on deliverly. Attached are a couple pics of the upper alone.

i74.photobucket.com/albums/i271/Ginsu69/IMG_0196.jpg

i74.photobucket.com/albums/i271/Ginsu69/IMG_0195.jpg

1st Q: Does it matter if I mount my EOTech that far forward?

2nd Q: When using the EOTech, do I need to have my front sight flipped up?

Mounting the EOTech on the tactical carrying handle give absolutely no co-witness and will not work there.

Thanks from the optics newbe

Rob



Mounting the EOTech on your hand guards is a matter of personal preference, many folks have this set up.

The problem I see you running into is the ability to co-witness. The RRA Tac Handle was designed with the Aimpoint in mind. Mounting an Aimpoint to the Tac handle with a x-wide low ring would provide a co-witness.

Mounting the EOTech on the Tac handle will not provide you with the ability to co-witness. Mounting the EOTech on the hand guard, the Tac handle will block the EOTech widow due to the Tac handles height.

My suggestion is to sell the Tac handle and go with a good folding rear BUIS.



Thanks QUIB! I thought that was my most reasonable solution my problem. At the time I ordered my upper, the pics on RRA website looked like the fixed rear on the tac handle was taller and I was also unsure of what optics I wanted at the time. Yesterday when I got my EOTech and did a test mount I was disappointed with the outcome. Last night I set my EOTech onM4 handguards and it looked as though my plan may work, but I do understand that what I layed out and what the actual results can be totally different. So with that all being said, I have shopped and i think I may go with the Wilson Flip up rear BUIS unit, which appears to give me the ability to have elevation control to go along with windage. I was really hoping that I would not have to spend more money but I guess so.... Thanks again.
Link Posted: 5/13/2006 5:30:41 PM EST
Excellent thread QUIB!!

Here's my contribution:
RRA Entry Tactical
S.P.O.T. Mark III - 3 MOA red dot sight
A.R.M.S. #40 BUIS
Absolute Co-Witness



Link Posted: 5/13/2006 9:32:10 PM EST

Originally Posted By Blue69:
Thanks QUIB! I thought that was my most reasonable solution my problem. At the time I ordered my upper, the pics on RRA website looked like the fixed rear on the tac handle was taller and I was also unsure of what optics I wanted at the time. Yesterday when I got my EOTech and did a test mount I was disappointed with the outcome. Last night I set my EOTech onM4 handguards and it looked as though my plan may work, but I do understand that what I layed out and what the actual results can be totally different. So with that all being said, I have shopped and i think I may go with the Wilson Flip up rear BUIS unit, which appears to give me the ability to have elevation control to go along with windage. I was really hoping that I would not have to spend more money but I guess so.... Thanks again.



No problem!

Since you have your EOTech now, what you might try just for shits n’ giggles is to mount your EOTech as far forward as possible on your upper receiver. Next using the front mount only from your RRA Tac Handle, mount it to your upper behind the EOTech. Now take a peek through the optics. This will give you a better idea of what your up against mounting the EO to your railed HG’s. A little bit more stable than just placing the EO on top of the HG’s and holding it there by hand. I think I’m correct in stating that the SF railed HG’s are a bit higher than the upper receiver but still not high enough to over come the height of the Tac Handle.

If I’m wrong, someone please correct me.
Link Posted: 5/15/2006 6:55:05 PM EST
This thread is very valuable to any beginner, lets get a sticky on this plz.
Link Posted: 5/15/2006 7:26:54 PM EST

Originally Posted By Cyclic240B:
Trijicon ACOG TA01NSN in a TA-51 ACOG Mount. Also has a JP J-Point red dot backup and JP NSN J-Point Mount.

theconnzzzz.net/photos3/lmts0022.jpg



could you happen to be able to tell me where to get the mount to put the docoptics ontop of the acog?
Link Posted: 5/16/2006 10:02:45 PM EST
[Last Edit: 5/16/2006 10:58:32 PM EST by bmick325]
I'm a traditionalist meaning absolute cowitness for me.

BTW, this thread is worthless without STICK-PICS.

ETA: J/K Quib . Thanks for another outstanding thread.
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