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Red dot co-witness ruger pc carbine

This is a discussion on Red dot co-witness ruger pc carbine within the Ruger Semi-Auto forums, part of the Rifle & Shotgun Forum category; Originally Posted by bret van With the UTG mnt910 rear aperture you get a different sight pic. when I look above my rear sight the ...


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Old January 23rd, 2020, 05:52 AM   #31
 
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Quote:
Originally Posted by bret van View Post
With the UTG mnt910 rear aperture you get a different sight pic. when I look above my rear sight the dot moves above the front iron about 1/4'' it the is almost centered in the tube and my rear sight is a blur.
What you have is commonly called a "lower 1/3 co-witness". If your red dot and your open sights are both zeroed at the same range and you are able to achieve a proper sight picture with your open sights (front post centered within the peep aperture) with the RDS in place, then the red dot will always appear at the top of the front post. But you will be looking at the open sights through the bottom of the field of view of the optic and the red dot will not be centered within that field of view.

If the sights and optic are aligned such that the open sights are lined up when the red dot is centered in the optic, it is called an "exact co-witness".



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Old January 23rd, 2020, 06:55 AM   #32
 
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I just want to lower my red dot “high skeleton mount” a little so I can keep the irons in place and get some kind of co-wtness. Surprised there isn’t an adjustable height mount option out there?!..that will work!
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Old January 24th, 2020, 12:32 PM   #33
 
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Quote:
Originally Posted by gixxerdude1969 View Post
I have a trs-25 mounted on the end of the Picatinny rail and seems co-witnessed to me

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I did the same thing. If I get low enough. I can get the dot in the ghost ring.
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