M1A Scout in Troy MCS Stock sight in problems - M14 Forum

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M1A Scout in Troy MCS Stock sight in problems

This is a discussion on M1A Scout in Troy MCS Stock sight in problems within the Gunsmithing forums, part of the M14 M1A Forum category; I have a Springfield Armory M1A Scout that I put into the Troy MCS chassis. I put Troy folding sights on it and tried to ...

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Old March 17th, 2014, 07:06 PM   #1
Join Date: Jun 2010
Location: Central California
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M1A Scout in Troy MCS Stock sight in problems

I have a Springfield Armory M1A Scout that I put into the Troy MCS chassis. I put Troy folding sights on it and tried to sight it in and found that I was shooting extremely high at the 50 yard line. I almost got it zero'd but the front sight post was extremely high in the base (way too high in fact). At that point I thought I may have a bad front or rear sight.

So then I received my scope and mounted it yesterday. I fire a few rounds through that and the same thing.......extremely high at 50 yards.

So my question is: is it possible I installed the chassis wrong and somehow built in an angle to the top rail that is making it impossible to zero? Is there some adjustment that I'm missing to correct this on the chassis?

I called Troy after my issues with the iron sights and all they could suggest was to build up my cheek pad so my eye was on the same plane as the sights. I tried that before I got the scope and it did not help.

I welcome any thoughts or suggestions. Please!


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Old January 20th, 2017, 11:24 PM   #2
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Same issue

Hello all, I know this is an old tread but I didn't want to create a new one with one already existing and this is exactly the issue I logged on to research. I have a Springfield Socom 16 mounted in a Troy MCS and last week at the range I was attempting to sight in my BUIS at 50 yards. I wasn't even on the paper, POI was approx. 4 ft. high. If my math is right (and it probably isn't) it should take me 84 clicks to get on paper at .5 MOA per click. Am I all fuggered up or could it be that this chassis was never designed to run such a short barrel? Any thoughts from those more experienced or snide comments from from those less would be appreciated.

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Old February 8th, 2017, 08:39 PM   #3
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I have the same chassis. I have been playing with various accuracy techniques including shimming the GC and JB weld on the OP rod guide. I plan to epoxy the barrel band to the GC next and possibly float the receiver in place using JB weld. I have obtained sub MOA accuracy with this chassis but not consistently. I will report back when as I move forward. I'm interested in hearing from others who have similar experience with the Troy MCS.

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Old February 8th, 2017, 10:40 PM   #4
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84 clicks is confusing to me for that is 42 moa(2 clicks/1moa = 84/2=42) and that is elevation equivalent to 1000yds for the 308?? What am I missing here??

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Old February 9th, 2017, 06:01 AM   #5
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Fireguy, funny you should post this.

I have a new regular SAI Scout in a Walnut Stock. I know it is not a Socom and it is not in a Troy chassis, but took it to my local 50 yard range for the first time last week. I had put on a Basset Low Picatinny Scope mount, Leupold rings and a Leupold 4X12 scope.

Could not adjust the scope low enough to zero at 25 yards. Obviously did worse at 50 yards. The rifle was shooting way high.The groups were fine, but I could not get the scope to go any lower than 2 inches high at 25 yards, no matter what ammo I used.

Took off the scope, went to iron sights, 6 clicks up from bottom at 25 yards, dead center on the target. No problem at 50 yards.

Now I am really confused, so I take the same Basset Mount, same rings, same scope back to the range on a SAI NM. No problems, the scope and mounts function fine. Dead on at 25 and was fine at 50 yards.

The Scout will not be used with a scope anyway, but I am wondering if I am missing something here.

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Old February 9th, 2017, 06:22 PM   #6
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Return the scope to factory zero. Then you will have plenty of adjustment range.

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