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Posted: 9/12/2003 9:06:59 PM EDT
[#1]
They'll both cowitness with an EO Tech, The only difference is the way the small aperture's loop is machined.
Here's the #40 on the left, and the #40A on the right for comparison: [img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=15787[/img] |
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Posted: 9/13/2003 12:52:14 AM EDT
[#2]
You probably want the #40A2. The horizon line sounds like a nice feature but in practice it seems to annoy/bother/screw up more people than it helps. Atleast that was the result of the "poll" I did here in the forums awhile ago. I have the #40A2 and I'm glad I went with it, originally I did want to try the horizon line.
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Posted: 9/13/2003 7:31:31 AM EDT
[#3]
I bought the #40 and really like it. Just my chime in. Buy what works for you the best.
A |
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Posted: 9/13/2003 11:52:20 AM EDT
[#4]
Here is another comparison photo.
[img]http://www.thermaldynamics.com/pictures/%2340.jpg[/img] #40 [img]http://www.thermaldynamics.com/pictures/%2340a.jpg[/img] |
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Posted: 9/13/2003 12:13:38 PM EDT
[#5]
Hey Chen,
Are you right handed and left eye dominant? |
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Posted: 9/13/2003 1:17:22 PM EDT
[#6]
nope, right hand and right eye, working on being ambi.
Why do you ask? |
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Posted: 9/13/2003 6:39:54 PM EDT
[#7]
I noticed your #40 aperture moved way over to the right.I had mine moved way over to right as well because I'm left eye dominant and right handed.Maybe it just looks that way in the pic.
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Posted: 9/14/2003 7:16:31 PM EDT
[#8]
Chen did you camo your SPR? if so let see some pictures.
IPSC_GUY sends |
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Posted: 9/14/2003 8:03:32 PM EDT
[#9]
yeah, who/how did the camo?
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Posted: 9/15/2003 2:27:02 PM EDT
[#10]
Eothech cowitness with #40:
[img]www.angelfire.com/az2/sobrbiker883homepage/ar15/eo511cowitness.JPG[/img] |
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Posted: 9/15/2003 3:53:05 PM EDT
[#11]
will the #40a fit under an ACOG even though it doesnt have the horizon line cut?
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Posted: 9/16/2003 12:43:20 AM EDT
[#12]
What exactly is a "horizon line"?
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Posted: 9/16/2003 12:57:13 AM EDT
[#13]
look at the arms #40 on the left in this picture:
[img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=15787[/img] see how the top of the small aperature is cut off so it is level with the body? thats the horizon line. there is a notch in it above the small aperature for a 600 yard shot. look again at the #40a on the right, there is no cut on the small aperature. it has the standard a2 aperatures. just wonderif if the ACOG sits low enough to come into contact with the small aperature of the #40a while the BUIS is folded down. |
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Posted: 9/16/2003 1:06:16 PM EDT
[#14]
SuperChicken: Thanks for the info.
What's the purpose have having the #40 with the milled horizon line? Also, what is the part number for the non-milled horizon line, #40A? |
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Posted: 9/16/2003 1:36:00 PM EDT
[#15]
Quoted: SuperChicken: Thanks for the info. What's the purpose have having the #40 with the milled horizon line? Also, what is the part number for the non-milled horizon line, #40A? The #40 with the milled horizon line is a little more low profile, allowing clearance if the user has an ACOG mounted in a low mount. The designation for the non-milled version is #40A, or is sometimes refered to as #40A2. |
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Posted: 9/17/2003 3:33:44 AM EDT
[#16]
Does the aperture interchange with the standard A2 sight? I have an XS same-plane aperture and I'd like to keep it if I get a #40.
jafager |
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Posted: 9/17/2003 4:46:03 AM EDT
[#17]
If the XS will fit M16/M4's handle it will work as the #40 uses the std. gov't aperatures. The #40 was not cut down to mount the ACOG. The notch and horizon line are there to give a soldier the ability to engage an enemy target out to 500-600 meters since the red dot's and irons are only zero'd out to 300 meters. When all of a sudden you get long distance incoming from an AK/etc. that you realy can't spot, it is a lot more accurate to have the notch and line than guessing how much over thier heads you put the red dot.while you go for cover. The notch is a guide that works better than guessing.
Good Shootin, Jack |
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