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4/18/2008 7:56:24 PM EDT
I'm planning to build a 20" rifle with an A3 upper and mounting an ACOG.  My question is, if I use a fixed front site, will it be in the field of view or does the the ACOG mount high enough to see over the front site.
4/18/2008 8:12:06 PM EDT
[#1]
On my 20" with ACOG, you can see it just a little but it does interfere at all. It is barely noticeable in my opinion. It is far below the reticle.
4/18/2008 8:21:37 PM EDT
[#2]
height=8
Quoted:
On my 20" with ACOG, you can see it just a little but it does interfere at all. It is barely noticeable in my opinion. It is far below the reticle.


Thanks for the info, but Im thinking about going with a flip up front site.
4/18/2008 8:25:00 PM EDT
[#3]
Not exactly you're set up but it may still be of some use, I have a TA31 ACOG on my 14.5in LMT carbine and the front site post is barely visible.  You really have to look for it to notice the slight black blur.

I don't believe it will be an issue

ETA: As DonnieBrasco said it is far below the reticle.  I honestly do not even notice it.
4/18/2008 8:34:00 PM EDT
[#4]
I have a 20" with fixed FSB, compact TA47-4 on a carry handle, and I can see my front sight ghosting in the bottom of the field of view against a bright outdoor setting.

I'd recommend a flip up front sight and avoid the problem.
4/18/2008 8:35:50 PM EDT
[#5]
What's the power of the ACOG?  A mini with 2x=yes, you'll see it.

5.5x no,  you won't.  
4/18/2008 9:03:05 PM EDT
[#6]
For what it's worth: if you need to use the irons, you should be at the point where you need to remove your scope. At least that's what my understanding of BUISs is.
4/19/2008 4:43:31 AM EDT
[#7]
If I look thru my ACOG's for the FSP then I'll see it, if I don't look for the post (eyes on reticle and target) then I don't notice it.  

YMMV.
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