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Poll: 1/3 co-witness or absolute? Login/Join 
Gracie Allen is my
personal savior!
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^^^ It's my fault. I was giving bubbatime a hard time without actually saying anything. Granted that the OP's question is based around the AR, but other rifles don't have iron sights that can be flipped down. In my experience with red dots on a couple of such rifles, looking at the red dot when the iron sights are in place doesn't really seem to lead to any problems. It's nice to have the less-cluttered sight picture that comes with using a red dot and folded-down irons but, IMHO, bubbatime was a little more vehement than may have been justified.
 
Posts: 20511 | Location: Deep in the heart of the brush country, and closing on that #&*%!?! roadrunner. Really. | Registered: February 05, 2008Reply With QuoteReport This Post
Green Mountain Boy
Picture of Jus228
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Absolute. On my AR the sights are high enough as it is and I have flip down buis or none at all.


!~God Bless the U.S. Military~!

If the world didn't suck, we'd all fall off

Light travels faster than sound, this is why some people appear bright until you hear them speak
 
Posts: 5272 | Location: Vermont | Registered: March 02, 2002Reply With QuoteReport This Post
Freethinker
Picture of sigfreund
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quote:
Originally posted by Il Cattivo:
It's nice to have the less-cluttered sight picture that comes with using a red dot and folded-down irons but ....


I agree, and admit I didn’t understand what you were getting at.
My “CQB” ARs (training and serious) both have fixed front sights and with a 1/3 view I have never had any problem using them with Aimpoint sights as fast as I could acquire targets. As I mentioned above, I am simply unaware of the iron sights.

And as a somewhat related note, something I have my students practice is using their nonmagnifying optics (Aimpoints, EOTechs, et al.) with the illuminated reticle turned off and no rear BUIS. I just center the target in the “window,” but some shooters like to use the visible front sight (without the rear) as an index even without a rear sight to align it with. With both techniques it’s possible to get reasonably accurate hits on short range targets (to about 15 yards).




“Most men … can seldom accept the simplest and most obvious truth if it … would oblige them to admit the falsity of conclusions … which they have woven, thread by thread, into the fabrics of their lives.”
— Leo Tolstoy
 
Posts: 37147 | Location: 10,150 Feet Above Sea Level in Colorado | Registered: April 04, 2002Reply With QuoteReport This Post
Experienced Slacker
Picture of apprentice
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Update:
Bought a Holosun HS503GU and just finished mounting it 1/3.

That's how it came set up, and it does seem like a good way to go now that I've looked through it that way. It did come with a low mount, and a battery as well, in case anyone was wondering.

Hope things shoot straight, still need to find out.

Thanks for the responses.


------------------------------
"...and we liked it!"
 
Posts: 5718 | Location: North Idaho | Registered: May 12, 2004Reply With QuoteReport This Post
Be Well and Keep Your Rifle Clean
Picture of mrmn50
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Tried both and have settled on lower 1/3.




"..AGAINST ALL ENEMIES, FOREIGN AND DOMESTIC,...SO HELP ME GOD."


 
Posts: 20848 | Location: Czechtown,Minnesota | Registered: October 17, 2005Reply With QuoteReport This Post
My hypocrisy goes only so far
Picture of GrumpyBiker
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For me it depends on the ARs set up.
I prefer lower 1/3 for ARs with a fixed front sight & absolute with BUIS odd as that may sound.




U.S.M.C.
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III

"He's a Mean Motor Scooter & a Bad Go Getter !"



 
Posts: 5496 | Location: Central,Ohio | Registered: December 28, 2008Reply With QuoteReport This Post
Member
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Bump.




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Posts: 6562 | Location: West | Registered: November 26, 2002Reply With QuoteReport This Post
E tan e epi tas
Picture of cslinger
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I like true co-witness. If all goes wrong the red dot becomes a giant ghost ring.

That being said I am no gunfighter nor girlscout and have no desire to run my guns as weapons ever. This is just a low speed, high drag hobbiest's perspective.


"Guns are tools. The only weapon ever created was man."
 
Posts: 2908 | Location: Nashville, TN | Registered: July 25, 2002Reply With QuoteReport This Post
Prince of Cats
Picture of matthew03
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Just don't do what I did, Trijicon MRO and Micro BUIS, the BUIS are 1/2 on, 1/2 under the optic. I can barely see the top nub of the front sight post through the rear aperture and optic.


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Posts: 6189 | Location: S.W. Virginia - Central Kentucky | Registered: March 18, 2011Reply With QuoteReport This Post
Yew got a spider
on yo head
Picture of DoctorSolo
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quote:
Originally posted by GrumpyBiker:
For me it depends on the ARs set up.
I prefer lower 1/3 for ARs with a fixed front sight & absolute with BUIS odd as that may sound.


Not odd at all. Quite reasonable.
 
Posts: 4062 | Location: Colorado Springs | Registered: April 12, 2006Reply With QuoteReport This Post
Member
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IF running a AR with a permanent front sight post/gas block, i prefer 1/3. If running flip up sights, back and front i like absolute.


Edit: i see Grumpy feels the same, had not read his post before posting or would have just said same.


 
Posts: 6712 | Location: Charlotte, NC | Registered: November 09, 2010Reply With QuoteReport This Post
Member
Picture of konata88
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Irons are fixed height. I'm only varying the RDS mount height. The lower 1/3 mount is more comfortable for me. Absolute feels low for my chubby cheeks.

Either way, I don't see the front sight as I'm looking well past it. So 1/3 is more comfortable and that's the primary influence.




"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." - B.Franklin
"Wrong does not cease to be wrong because the majority share in it." L.Tolstoy
 
Posts: 6628 | Location: In the gilded cage | Registered: December 09, 2007Reply With QuoteReport This Post
Casuistic Thinker and Daoist
Picture of 9mmepiphany
posted Hide Post
quote:
Originally posted by GrumpyBiker:
For me it depends on the ARs set up.
I prefer lower 1/3 for ARs with a fixed front sight & absolute with BUIS odd as that may sound.

Not odd at all, that is my preferred setup also




No, Daoism isn't a religion



 
Posts: 13012 | Location: northern california | Registered: February 07, 2003Reply With QuoteReport This Post
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