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Rear Sight Aperture Question

This is a discussion on Rear Sight Aperture Question within the The M14 forums, part of the M14 M1A Forum category; I've currently got the std rear sight on my M1A and NM front sight. I'd like to buy an NM aperture and see that they ...


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Old June 3rd, 2006, 05:00 AM   #1
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Rear Sight Aperture Question

I've currently got the std rear sight on my M1A and NM front sight. I'd like to buy an NM aperture and see that they come in .595 and .520. What size is the std aperture size for comparison? Also, where are some good sources BESIDES Ebay for just the apertures. Thanks!

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Old June 3rd, 2006, 05:27 AM   #2
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From M14 Rifle History and Development Second Edition by Lee Emerson copyright 2006:

"The standard issue rear sight aperture has a diameter of 0.069 " + 0.005 "."

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Old June 3rd, 2006, 07:06 AM   #3
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Quote:
Originally Posted by Radjxf
I've currently got the std rear sight on my M1A and NM front sight. I'd like to buy an NM aperture and see that they come in .595 and .520. What size is the std aperture size for comparison? Also, where are some good sources BESIDES Ebay for just the apertures. Thanks!
Give Claude a call,,great person to deal with,,if he has it he will get it right out to ya ! http://raparts.com/Products/m14parts.html

Also Orion 7 is a top notch outfit,, http://www.m1garand.com/M14parts.htm These guys should help you out,,Hmmm,as far as which size,,I'm not sure,,just get a standard one I guess,,or ask the guys when you call,I'm sure they would tell ya the benifits of one over the other !

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Old June 3rd, 2006, 08:51 AM   #4
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Quote:
Originally Posted by Radjxf
I've currently got the std rear sight on my M1A and NM front sight. I'd like to buy an NM aperture and see that they come in .595 and .520. What size is the std aperture size for comparison? Also, where are some good sources BESIDES Ebay for just the apertures. Thanks!
If you've got YOUNG eyes, you might want the .520 aperture. Most shooters prefer the .595 aperture because the smaller one restricts their vision too much.

Me, I always prefered the .595 aperture coz I'm blind in one eye and can't see outa the other one. ;)

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Old June 4th, 2006, 06:11 AM   #5
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Thanks guys for the input. I think I may go with the .0595? I see these listed everywhere as .595, surely it's actually .0595? My eyes are almost 35 now and I may hunt a bit with this rifle, occasionally in somewhat dim conditions so the larger NM aperture may be my best bet. Thanks again.

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Old June 4th, 2006, 06:27 AM   #6
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Yes, the aperture diameter is 0.0595 ".

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Old June 4th, 2006, 08:18 AM   #7
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The NM aperature is excellent in full daylight. It's not very good the rest of the time. For hunting, I'd use the standard GI aperature.

You can file down the tail end so that you have the same elevation zero when you switch between the two (windage will most likely be the same also).

Ty

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Old May 19th, 2020, 10:47 AM   #8
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I'm no expert but I know for me , the bigger the hole , the faster I can git on . I have drilled mine out cause I hunt in the thick mostly. Center is center , no matter what size the hole

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