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11/22/2017 10:05:29 PM
Posted: 9/2/2004 5:24:25 PM EST
OK, to start with, I'm a little lost on some of the new hi-tech stuff I put on my newest build. I mistakenly thought, based on an earlier thread, that I had the wrong LaRue mount for my RAS II. I rechecked after doing some searches and it seems that in fact I do have the right one. So, I moved my Aimpoint/LaRue combo onto the RAS II hump and flipped up my ARMS #40 BUIS. Here's the problem: the BUIS co-witnesses in the lower 1/4 of the Aimpoint's window. Now I should explain that for several years the only AR I have been shooting has an ARMS #40 with a Holosight (roughly equivalent to an EOTech). The BUIS on that rifle co-witnesses right in the center of the Holosight and as I result I do not have to move my head/cheek weld one iota when transitioning from reddot to BUIS. Now, with the Aimpoint/LaRue, if I center the reddot in the Aimpoint and flip up my BUIS, I have to lower my head to get the front post to center inside the rear sight ring. Is this normal? Will it screw up my POA? Isn't it bad to have to change your cheekweld when going from primary to backup optic?
Link Posted: 9/2/2004 5:30:49 PM EST
[Last Edit: 9/2/2004 5:30:59 PM EST by mcgrubbs]
It will be fine.

It is made that way to keep the view thru your Aimpoint less cluttered.

I run a Vltor stock. It requires very little, if any, movement to go to irons.

If you have been using something different for the last few years, it will just take some getting used to.

Link Posted: 9/3/2004 4:12:40 AM EST
Link Posted: 9/3/2004 6:38:16 AM EST
Should I be able to see the entire rear sight ring in the Aimpoint window when the BUIS is up? As it is, I only get about 75% of the rear sight.
Link Posted: 9/3/2004 7:14:56 AM EST
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