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Posted: 11/4/2012 4:52:45 PM EDT
| Have a ta11 on an ARMS mount that is having trouble keeping zero. I was sub moa on my 16" lmt a few weeks ago and shot yesterday, unable to hit a can at 100 yards. Any thoughts or have you heard of issues with the ACOG or ARMS? |
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+1 on it being the ARMS mount. They are garbage. Break the levers on the mount and send it to LaRue for a free LT-100 (are they still doing that?). How juvenile. A lot of people have used ARMS mounts, myself included, for a lot of years and never seen any issues when they're mated to a proper spec rail. |
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+1 on it being the ARMS mount. They are garbage. Break the levers on the mount and send it to LaRue for a free LT-100 (are they still doing that?). No, they are not. However, I agree that the LaRue is the superior mount. OP, here ya go, same ACOG 
Well worth the money. |
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+1 on it being the ARMS mount. They are garbage. Break the levers on the mount and send it to LaRue for a free LT-100 (are they still doing that?). No, they are not. However, I agree that the LaRue is the superior mount. OP, here ya go, same ACOG http://i1096.photobucket.com/albums/g326/Covertness/LaRue10.jpg Well worth the money. Does Larue need the ACOG or can i get the mount and then do it myself? And no, I do not loctite the sight as I sometimes change it to another upper |
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+1 on it being the ARMS mount. They are garbage. Break the levers on the mount and send it to LaRue for a free LT-100 (are they still doing that?). No, they are not. However, I agree that the LaRue is the superior mount. OP, here ya go, same ACOG http://i1096.photobucket.com/albums/g326/Covertness/LaRue10.jpg Well worth the money. Does Larue need the ACOG or can i get the mount and then do it myself? And no, I do not loctite the sight as I sometimes change it to another upper You can buy just the mount here. He meant did you loctite the mounting screws to the ACOG. I will also recommend the LaRue mount. |
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Yes, you can just get the mount from LaRue. I lock-tighted it to the mount. If you want to put it on another rifle, well, that's what the QD mounts are for. And why I like the LaRue mounts. Take 'em on and off and they return to zero everytime. with or without VFZ mount? Also, below is my ACOG. It came with the ARMS from Trijicon. Did they loctite the two? 
ACOG by sribble1, on Flickr |
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here it is on the weapon...disregard the ninja gear [email=http://www.flickr.com/photos/26584020@N08/6569429203/]http://farm8.staticflickr.com/7152/6569429203_81e82d8dcc.jpg[/email] gear2 by sribble1, on Flickr Christmas eve ambush? 
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore.
That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. |
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? |
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? It's not hard to do. |
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The screws may have blue loctite, I've owned 6 ACOGs (still have four 4x32 ACOGs), I never had problems unscrewing the screws.
I did manage to strip the tiny mounting screw on a Docter sight on my TA31DOC, I don't like Allen head screws, especially small ones  ACOG screws are slot head screws.
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? It is easy to replace. On the mount issue. I had one for a Aimpoint and you could move it back and forth on the rail with some effort. It wouldn't hold zero. I sent my mount back to ARMS and got a new replacement. Which ARMS mount do you have? Is it the adjustable version or just the lever mount. Mine was the non adjustable version and tension couldn't be adjusted. |
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? It is easy to replace. On the mount issue. I had one for a Aimpoint and you could move it back and forth on the rail with some effort. It wouldn't hold zero. I sent my mount back to ARMS and got a new replacement. Which ARMS mount do you have? Is it the adjustable version or just the lever mount. Mine was the non adjustable version and tension couldn't be adjusted. not sure the difference. It has the two knobs but no other knowledge of differentiation. |
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? It is easy to replace. On the mount issue. I had one for a Aimpoint and you could move it back and forth on the rail with some effort. It wouldn't hold zero. I sent my mount back to ARMS and got a new replacement. Which ARMS mount do you have? Is it the adjustable version or just the lever mount. Mine was the non adjustable version and tension couldn't be adjusted. not sure the difference. It has the two knobs but no other knowledge of differentiation. Can you post a pic of it? |
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Both of my 19S moved back and forth without a lot of effort, but as long as I pushed the mount forward, my ACOGs were fine. They were replaced long ago with LaRue mounts, I never have that problem anymore. That said, my TA31's wandering zero had nothing to do with the mount. Somehow the elevation adjustment screw backed all the way out, and was actually rubbing on the elevation adjustment cap/cover. I screwed it all the way down and solved the problem. okay, sounds like i have research to do on the mount and elevation knob-areas with a larue mount as very viable... Again the recommendation is to ship the ACOG for them to remove the ARMs mount, installing the larue...or do it myself? It is easy to replace. On the mount issue. I had one for a Aimpoint and you could move it back and forth on the rail with some effort. It wouldn't hold zero. I sent my mount back to ARMS and got a new replacement. Which ARMS mount do you have? Is it the adjustable version or just the lever mount. Mine was the non adjustable version and tension couldn't be adjusted. not sure the difference. It has the two knobs but no other knowledge of differentiation. Can you post a pic of it? I don't think it is an arms mount, I think it is the trijicon one that comes standard with the ACOGs. |
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Do the thumb nuts look like the same ones used on removable carry handles? T51 mount http://www.trijicon.com/images/product_masters/TA51.jpg ARMS #10 mount http://swfa.com/images/arms10.jpg ARMS mount has more mounting holes, TA51 has two. TA51 is pretty low profile, and the mount below your TA11 looks like a TA51 mount. Yes, the tightening knobs look like carry handle knobs if I recall; it's not with me at the moment. The guy at military warfighter (purchased it there) said that holding exact moa is not likely without loctite. That wasn't what I wanted to hear. Getting an Srs with qd mount as zero is imperative |
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Do the thumb nuts look like the same ones used on removable carry handles? T51 mount http://www.trijicon.com/images/product_masters/TA51.jpg ARMS #10 mount http://swfa.com/images/arms10.jpg ARMS mount has more mounting holes, TA51 has two. TA51 is pretty low profile, and the mount below your TA11 looks like a TA51 mount. Yes, the tightening knobs look like carry handle knobs if I recall; it's not with me at the moment. The guy at military warfighter (purchased it there) said that holding exact moa is not likely without loctite. That wasn't what I wanted to hear. Getting an Srs with qd mount as zero is imperative Looks like a T-51 mount and not an ARMS mount from OPs pics.... |
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