LMT - Tactical Iron Sights

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TDIGZ

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Hey guys,

I bought my first firearm (and AR) in May and I have taken it out once so far. I just got my ATT.

My first time out I noticed it was shooting steadily to the right. In anticipation of throwing a couple hundred rounds through it this coming Sunday, I took a look at the sights, and the read sight for some reason sticks to the left (as can be seen below). If I try to turn it physically to the right it slows edges back to the left. It is not straight, which seems like the problem causing it to shoot right.

Can anyone tell me if this is normal, your experience with it?

Is this something I should send back to Questar under warranty?

Any help is much appreciated. Thanks guys!

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albertacoyotecaller has a LMT rear sight like that and it's the same way. IIRC, he was told "that's the way they are" by the dealer he got the rifle from.

His rifle has a Troy rear BUIS on it now.
 
I have an LMT as well... all standard A2 irons on ARs look like that, nothing to worry about. Just a design characteristic, nothing wrong with them.

All you have to do is zero your rifle properly using the windage knob.
 
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sight problem

This is common with these sights,I have 3 of them.Fixes that have worked for me are:
Start by running the adjustments through their full range of movement several times then adjust to approx. center for windage and about 1/3 of the way up for elevation(maybe 3 clicks??,cant remember) and it should straighten up

Next if that doesnt work completely disassemble, clean. Pollish if nessicary the trunions and clean the detent tracks. reassemble with CLP,Breakfree,MPro7 or simillar lube.

This has worked every time for me,may work for you too. Take your time disassembling,the small parts are easy to loose. If your not that comfortable with taking it apart DON'T get an experienced person to help you.Hope that helps
 
Just pulled out my LMT and compared it to your pics, it is exactly the same. In my experience the rifle has always shot straight with the windage relatively centered. It is just the way it is. Adjust the windage.

If you think about the mechanics, realizing it pivots right in the middle of the sight, it really makes no difference what angle it is on.
 
Seriously if that's that norm for LMT, it's pretty F'n substandard and makes me wonder about the rest of the rifle...even the lower end after market BUIS makers have better quality control than that. I always thought of LMT as one of the better manufacturers, they should bow their heads in shame on their quality of work on their irons.
 
pbr streetgang said:
Seriously if that's that norm for LMT, it's pretty F'n substandard and makes me wonder about the rest of the rifle...even the lower end after market BUIS makers have better quality control than that. I always thought of LMT as one of the better manufacturers, they should bow their heads in shame on their quality of work on their irons.
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Again, its perfectly normal for the A2 rear sight, it is part of the design of the sight. Has nothing to do with quality control. IIRC there is a small spring and ball bearing on the right side of the sight designed to keep the sight from jiggling around. Google "crooked rear sight ar-15" and you'll be met with a million other threads from other forums.

The reason that the Troy and other rear sights are not "crooked" is because they are of a different design.

OP if you want to "fix it", here's a link:
ht tp://www272.pair.com/stevewag/arsight/arsight.html

Clobbersauras said:
That is sh!t quality control from LMT .
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No it isn't. See above.
 
All of the A2s I've seen look like that, some more, some less. This includes my Colt, and Stag.

I wouldn't be in a rush to solder a shim to the sight. Looks like a fast track to an XCR "did you loctite it" type of day at the range.
 
ante_1313 said:
Again, its perfectly normal for the A2 rear sight, it is part of the design of the sight. Has nothing to do with quality control. IIRC there is a small spring and ball bearing on the right side of the sight designed to keep the sight from jiggling around. Google "crooked rear sight ar-15" and you'll be met with a million other threads from other forums.

The reason that the Troy and other rear sights are not "crooked" is because they are of a different design.

OP if you want to "fix it", here's a link:
ht tp://www272.pair.com/stevewag/arsight/arsight.html



No it isn't. See above.
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Interesting. Thanks for that, I've never heard of this before. It would bug the #### out of me though if I kept seeing it on my rifle.
 
Clobbersauras said:
Interesting. Thanks for that, I've never heard of this before. It would bug the s**t out of me though if I kept seeing it on my rifle.
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No problem. I went through the same thing as the OP when I got my first AR. I noticed the problem with the sights until i figured out there wasn't anything wrong. And as far as bugging you goes, I had completely forgotten about the sights being "crooked" until I saw this thread.

Cheers.
 
That sight was designed specifically for a US Military contract... that is how they were spec'd and built for the military... who continues to purchase them from LMT in the thousands.

Interestingly this was a topic on the course I just completed at LMT this past week... LMT gets lots of phone calls about this topic but it is a non-issue... in fact it is an intentional part of the design. It has no detrimental affect in the sight's function or accuracy... quite the opposite.

At the end of the day remember that LMT builds (and sells) actual Military Grade firearms... not just Military "style" firearms. I just spent the past week getting detailed insight and instruction on just what the differences are and how few other manufacturers meet those standards. Looks can be deceiving... not all AR's are created equal :)

I hope to post more info on some of these differences later this week... it is quite impressive to see just how different their factory is (as compared to many of the other AR builders I've visited over the years). The processes they use, materials, testing protocols, tolerances and the end results are night and day different from 99% of the others on the market.

One thing you can NOT accuse them of is "s**t QC". LMT is one of the few AR manufacturers to be ISO 9001:2008 certified... their QC standards are amongst the highest in the industry.

PS... the course we just finished now completes our final certifications and I'm very proud to announce that Questar International is now the Authorized LMT Warranty Centrer for Canada.

Mark
 
Im very impressed with the LMT rifles - I questioned this very topic when I got my LMT sights. But the sight is 110%. i have lots of other BUIS but the LMT is still tops IMHO

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Hey guys,

Thanks for all the replies.

I wanted to provide an update as I threw a few hundred rounds down range this weekend. I am new so I don't have any impressive stats about groupings, but after sighting in the rifle I had absolutely NO problem putting rounds dead center at 50 yards and within 2.5-3.5 inches at 100 yards. The sights work flawlessly, a little help from a vet on zeroing in the rifle and I was good to go.

Without much prior experience, this thing feels solid - concern alleviated.
 
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