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 arms 40L sight zeroing
kyle757  [Member]
11/5/2011 6:14:20 PM EST
I have a stag 2 tl that came with the arms 40L folding sight.They say that they are zeroed at the factory but it is way off. I can not figure out how to zreo it .Arms instructions are vague.No reference on how to zero I have to bury the front sight just to get it close at 25 yards Anyone have any real direction how to sight this thing in http://www.armsmounts.com/manuals/40L%20OP%20Manual.pdf
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OverScoped  [Team Member]
11/6/2011 3:31:49 AM EST
do have the knowledge of how a regular A2 sighting system works?

The instructions were fairly clear to me. Its a back up sight, if you want something much more accurate, then you need a primary sight or a carry handle sight.

on a regular A2 system, you adjust the elevation knob to get the distances, on your 40L you have to adjust what notch you look through to get the distances.


Choose what distance you want to sight in. I would start at 100, using the 100 rear aperature and adjust the front sight till you are zero'd. you may need a shorter front sight post. there are two different ones.



hope this helps.
kyle757  [Member]
11/6/2011 4:37:19 PM EST
what type of sight would be a good primary? I thought the 40L was a good sight . I want to eventuly put on a eotech however I want to learn to shoot the rifile properly with Iron sights
kyle757  [Member]
11/6/2011 4:42:30 PM EST
the sight sems kind of complicated. I have a very dificult time using the notches, I can not get the front sight visible in the notch withought moving my head from the cheekwell upward which seems improper.I assume the head position should awalys be the same.
kyle757  [Member]
11/6/2011 4:43:47 PM EST
the sight sems kind of complicated. I have a very dificult time using the notches, I can not get the front sight visible in the notch withought moving my head from the cheekwell upward which seems improper.I assume the head position should awalys be the same.
tommyt  [Member]
11/6/2011 5:00:09 PM EST
If you do a quick bore sight is it off? It should be. Call stag and tell them. There may be some other issue going on. Do you have a f marked front sight? Is the arms mounted correctly? If you mount a different rear sight can you get a good bore sight?

PS did you screw the front sight all the way in and still not hitting point of aim at 25 yards? Is that what you mean by burried?
OverScoped  [Team Member]
11/7/2011 9:31:31 AM EST
if you want to learn how to use iron sights, then get a carry handle and use the A2 sights that are on it and follow this guide. http://www.ar15.com/forums/t_3_18/328143_.html or just read this guide till u understand how it all works and make your Arms sight work for you.
phrogge  [Member]
11/7/2011 2:17:43 PM EST
Originally Posted By kyle757:
the sight sems kind of complicated. I have a very dificult time using the notches, I can not get the front sight visible in the notch withought moving my head from the cheekwell upward which seems improper.I assume the head position should awalys be the same.


The manual you referenced states that the notches are for 400, 500 and 600 yard sightings (refer to page 15).
Back up iron sights are peep sights, you sight thru the rear peep and line up the front sight post on the target.
If this is not what you have been trying to do I apologize but I think from reading your posts this is the way I am taking it.

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