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Posted: 1/7/2005 9:31:08 PM EDT
[#1]
I don't think you can go from an ARMS#40 or #40A2 to a #40L (as the #40L is a different arm altogether). You can go between a #40 and a #40A2. If you want same plane apertures you'll have to get the XS Sights AR-15 same plane rear aperture.
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Posted: 1/8/2005 12:50:33 AM EDT
[#2]
The #40L aperture system is totally different and proprietary. The #40 and #40A sights are compatible with any standard aperture, including A1, A2, and XO "same-plane" apertures.
-Troy |
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Posted: 1/8/2005 6:12:30 AM EDT
[#3]
What exactly do the same plane aperatures do?
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Posted: 1/8/2005 6:30:01 AM EDT
[#4]
Both the A1 and A2 apertures have one aperture (i.e., hole) higher than the other, because the two apertures are designed to be used for different distances, and therefore need different elevations.
A same-plane aperture uses a large and small aperture, like a standard A2 set, but both at the same height (i.e., the same sight plane). This allows you to use either aperture whenever you prefer one over the other, at the expense of losing the range/elevation compensation built into the stock aperture set. -Troy |
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Posted: 1/8/2005 6:44:04 AM EDT
[#5]
Thanks Troy,
Do you know where I could buy some different aperatures? I looked at Bushmaster and they didn't have any on their site; I don't think. Does the A1 have both small aperatures? I was under the impression that they were. Thanks again. |
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Posted: 1/8/2005 9:29:24 AM EDT
[#6]
Tag.
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Posted: 1/8/2005 3:32:28 PM EDT
[#7]
Anyone?
Do the A1 sites have a big aperature and a small one, or just 2 small? |
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Posted: 1/8/2005 7:11:54 PM EDT
[#8]
Any pics of an A1 aperature?
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Posted: 1/9/2005 1:01:54 AM EDT
[#9]
Yes, an A1 aperture is two small holes. The front one is unmarked, and is used for 0-300m, and the rear one is marked "L" for long-range, and is used for shots beyond 300m.
You can try this pic, which only shows one side of the aperture: www.midwayusa.com/midwayusa/applications/mediasvr.dll/highresimage?saleitemid=314012 -Troy |
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Posted: 1/9/2005 6:12:40 AM EDT
[#10]
So it would not be recommended to change out my A2 for an A1?
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Posted: 1/9/2005 6:20:55 AM EDT
[#11]
No, I wouldn't recommend it. What exactly are you trying to accomplish? Do you understand how the sights you have are designed to work?
-Troy |
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Posted: 1/9/2005 6:26:07 AM EDT
[#12]
I don't like the big aperature. I hate it with a passion. A loacal dealer just told me to use my small one all the time, but I know what the big and small are used for.
I can't get my eyes to focus on the front sight post in the large aperature. I hate it! 
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Posted: 1/9/2005 6:53:11 AM EDT
[#13]
Do you have cross-dominance eye issues? Make a ring with your hand, and hold it out in front of you as far forward as you can. Find an object in the distance, and look through the ring at it. Now, without moving, close one eye and then the other. One eye will show the object centered (your dominant eye), and the other will not. Does your dominant eye match sides with your dominant/shooting hand?
Any other eye issues? Are you trying this at the range? At home? Having trouble with just near or just far targets, or both? A lot of new shooters have trouble learning to focus on the front sight. It's natural to want to focus on the target instead, and some people need practice accepting that the front sight needs to be in focus, even though the target and rear sight won't be. If you find that you just can't do it, then install an XO same-plane aperture, and use the small one all the time. -Troy |
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Posted: 1/9/2005 7:53:15 AM EDT
[#14]
I know my right eye is dominant and I shoot right handed. I am a new shooter to using irons. I gues I need to stop focusing on the target and more on the front sight post. When I am shooting for groups I gues I try to stay focused on the target and the bull's eye, guesing that focusing on the target will improve where I am aiming.
When I try to shoot with the focus on the front sight post I feel like I can't even tell where I am aiming on the target. So, either way I am inaccurate. The small aperature allows me to get the focus I need on the front sight. I can shoot about 2-3 MOA with the small and about 10-12 MOA with the large. That is a HUGE difference. I tried This and it helped me focus on the front sight, but the reduction of sight radius will make my shots less precise. |
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