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Posted: 4/3/2016 7:24:34 AM EDT
[#1]
What distance are you sighting in?
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Posted: 4/3/2016 9:54:03 AM EDT
[#2]
Was at an indoor range and could only do 25 yards for now.
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Posted: 4/3/2016 9:59:24 AM EDT
[#3]
Can you post a pic of your setup?
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Posted: 4/3/2016 11:27:36 AM EDT
[#4]
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Posted: 4/3/2016 11:33:22 AM EDT
[#5]
How do those magpul sights compare to the stock sig sights in terms of height?
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Posted: 4/3/2016 1:57:16 PM EDT
[#6]
Quote HistoryQuoted:
How do those magpul sights compare to the stock sig sights in terms of height? Same height. |
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Posted: 4/3/2016 5:10:05 PM EDT
[#7]
I'm out of ideas. I'd expect it to be low at 10 yds if you were zeroing to 25 or so.
2"' low at 25 with aimpoint adjusted all the way is odd. |
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Posted: 4/3/2016 11:37:37 PM EDT
[#8]
The stock sights are NOT the same height. Much shorter than standard AR sights. If you want to use standard AR sights you have to replace your front sight post with one much shorter or you take your demel and shorten it yourself.
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Posted: 4/3/2016 11:44:36 PM EDT
[#9]
I measured stock mpx vs my mbus pro and they were within 1mm of each other. Now the T1.....do I need a lower mount?
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Posted: 4/4/2016 1:39:35 AM EDT
[#10]
Quote HistoryQuoted:
I measured stock mpx vs my mbus pro and they were within 1mm of each other. Now the T1.....do I need a lower mount? No you shouldn't need one at all. Sounds like a gun problem, not and optic/sights problem. |
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Posted: 4/4/2016 1:40:53 AM EDT
[#11]
What could cause this problem? I found that a buddy of mine with a 16" Mpx carbine is having similar issues.
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Posted: 4/4/2016 1:45:57 AM EDT
[#12]
Quote HistoryQuoted:
What could cause this problem? I found that a buddy of mine with a 16" Mpx carbine is having similar issues. I would try uninstalling the barrel and reinstalling it to see it that fixes it. |
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Posted: 4/15/2016 2:54:10 PM EDT
[#13]
Disassembled the MPX and then reassembled it and went to the range today. Still shooting low at 25yds with the front sight and T1 adjusted as far as they will go....... Anyone have any other ideas?
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Posted: 4/15/2016 3:02:44 PM EDT
[#14]
Quote HistoryQuoted:
Disassembled the MPX and then reassembled it and went to the range today. Still shooting low at 25yds with the front sight and T1 adjusted as far as they will go....... Anyone have any other ideas? Ditch the irons; you've got a T-1 (uber tough & reliable). I'm running a T-2 with no irons. |
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Posted: 4/15/2016 3:03:20 PM EDT
[#15]
T1 won't adjust far enough to zero either....
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Posted: 4/15/2016 5:44:56 PM EDT
[#16]
Quote HistoryQuoted:
T1 won't adjust far enough to zero either.... Oh....uh.....well....that is a tough one. My T-2 is in a LT-660HK mount and I've only got it roughly sighted in so far at 25yrds. Plan to sight it in at 50yrds. I'll report back if I have similar problems when I do. |
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Posted: 4/15/2016 7:05:21 PM EDT
[#17]
Ok, I figured it out. I'm running mbus pro sights and when mounted on the rail with the factory Sig sights they are taller...that would explain the issue. I'm running an LT751 mount which is why my Aimpoint won't sight in.
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Posted: 4/15/2016 9:47:02 PM EDT
[#18]
Quote HistoryQuoted:
Ok, I figured it out. I'm running mbus pro sights and when mounted on the rail with the factory Sig sights they are taller...that would explain the issue. I'm running an LT751 mount which is why my Aimpoint won't sight in. I'm pretty sure others are using the same T-1/mount combo as you though and not having the same problem (???) |
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Posted: 4/16/2016 12:21:12 AM EDT
[#19]
Quote HistoryQuoted:
I'm pretty sure others are using the same T-1/mount combo as you though and not having the same problem (???) Quote HistoryQuoted:
Quoted:
Ok, I figured it out. I'm running mbus pro sights and when mounted on the rail with the factory Sig sights they are taller...that would explain the issue. I'm running an LT751 mount which is why my Aimpoint won't sight in. I'm pretty sure others are using the same T-1/mount combo as you though and not having the same problem (???) Agreed. I've even seen multiple lower 1/3 co-witness zeroed on MPX's. No reason an absolute should not be able to zero. That would be a MAJOR design flaw if the majority of the mount market was unusable on the MPX. |
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Posted: 4/16/2016 9:45:33 AM EDT
[#20]
I was planning to buy a T2 in a 100% co-witness LaRue once my stamp comes in on 8" MPX
Is this still a good choice...? |
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Posted: 4/18/2016 11:20:46 AM EDT
[#21]
Quote HistoryQuoted: I was planning to buy a T2 in a 100% co-witness LaRue once my stamp comes in on 8" MPX Is this still a good choice...? I like the expanded FOV on the MRO |
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Posted: 4/18/2016 4:22:08 PM EDT
[#22]
Which is taller the LT751 or the LT660HK?
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Posted: 4/18/2016 4:57:21 PM EDT
[#23]
Does anyone know how the troy micro BUIS do on the mpx?
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Posted: 4/18/2016 5:07:00 PM EDT
[#24]
Quote HistoryQuoted:
Which is taller the LT751 or the LT660HK? The LT660HK is shorter. |
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Posted: 4/18/2016 8:39:28 PM EDT
[#25]
You might want to check your muzzle crown and make sure your optic mount is tight. You should not have issues sighting in the RDS.
Also check to make sure other accessories aren't to blame. A buddy had a similar problem recently. It turned out that his 45 degree offset irons were touching his scope mount base when he torqued them down. |
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Posted: 4/21/2016 9:53:43 AM EDT
[#26]
You have to compensate for the offset of the iron sight in correlation to the muzzle. At 25 yds and in you have to hold high by 2". Same with an AR usually from 0- about 15 yds. I have the mpx carbine and sighted in with the factory irons at 25 yds and when I hold 2" high I'm dead on. That's with the front sight bottomed out. As far as your aimpoint goes I can't comment because I'm not running an optic on mine yet. Hope this helps.
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Posted: 4/22/2016 5:30:02 PM EDT
[#27]
Way to low. I just mounted a set on mine. With a fortis absolute mount the micros were barely visible through my T-1. The stock sig irons are just a bit below absolute with my setup.
Quote HistoryQuoted:
Does anyone know how the troy micro BUIS do on the mpx? |
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Posted: 4/22/2016 10:20:20 PM EDT
[#28]
Quote HistoryQuoted: Way to low. I just mounted a set on mine. With a fortis absolute mount the micros were barely visible through my T-1. The stock sig irons are just a bit below absolute with my setup. Quote HistoryQuoted: Way to low. I just mounted a set on mine. With a fortis absolute mount the micros were barely visible through my T-1. The stock sig irons are just a bit below absolute with my setup. Quoted: Does anyone know how the troy micro BUIS do on the mpx? I think it might depend on what stock you have also. I am using the thin folding stock and the factory irons feel too high. |
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Posted: 4/22/2016 10:52:44 PM EDT
[#29]
I tried 3 different ADM mounts before deciding on the Fortis. This is with the sig stock sights. ADM standard height to low. ADM SOCOM height to high ADM absolute co-witness perfect. Stock sights right below absolute.. I took the T-1 right off the my AR no sighting in. Shoots minute of golf ball at 25-30 yards.
Quote HistoryQuoted:
Well of course they won't work well with the absolute mount. They should be the same height as any of the low mounts though. I think it might depend on what stock you have also. I am using the thin folding stock and the factory irons feel too high. Quote HistoryQuoted:
Quoted:
Way to low. I just mounted a set on mine. With a fortis absolute mount the micros were barely visible through my T-1. The stock sig irons are just a bit below absolute with my setup. Quoted:
Does anyone know how the troy micro BUIS do on the mpx? I think it might depend on what stock you have also. I am using the thin folding stock and the factory irons feel too high. |
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