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Posted: 9/25/2009 11:30:05 PM EDT
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What are my mount options with this optic? I know Larue offers a combo for $625.00, but I'd like to know what other good mounts (must have QD function) are available for this particular optic?
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GG&G makes an absolute co-witness QR mount, that allows you to use included flip-caps (a little pricey tho).
ADM (gasp) makes a modular base with different spacers to achieve an absolute or lower 3rd co-witness, as well as a low profile mount (I have one of these low profile ones on the way from Brownells  )
Daniel Defense I think has a very nicely priced non-QR mount for AR15s, I forget if its a lower 3rd or absolute co-witness though. Aimpoint also has a QR retrofit kit that replaces the screw and the clamp with a QR or "tool less" throw lever. Its not the same things as a LaRue or GG&G but allows you to get the optic off in a hurry. 40 or 50 bucks IIRC. Doesn't raise the optic up any (good for shotguns, or MP5/SMG type guns) I have this one right now, and its a great buy if you dont want to raise the optic up any, but need to take the optic off to use Irons. (My Benelli M4 is the shotgun my Micro is on right now) Also, there is the LaRue, as mentioned. |
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I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. It will put the dot smack dab in the middle of the sight when you plate it on the front sight post. IMHO, absolute co-witness sucks. |
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I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. It will put the dot smack dab in the middle of the sight when you plate it on the front sight post. IMHO, absolute co-witness sucks. Yeah its not quite absolute co-witness, the sights sit a bit too high. Absolute co-witness is best for using flip-up iron sights, so there is no cheek wield change. As for the OP, it really depends on what you want. If height is no big deal (as for absolute or lower 3rd) then the big difference between the LaRue and GG&G is the GG&G can use flip-caps. The LaRue is also a pretty good price, and obviously very well tested and documented. Im a big fan of GG&G stuff, I like the steel Accucam system, but it also doesn't have a safety lock, whereas the LaRue does. |
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I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. False. The LT660HK on a standard flat-top upper receiver gives you an upper 5/8 cowitness. http://www.box.net/shared/static/ntnvz47ell.jpg http://www.box.net/shared/static/p65m79xxks.jpg http://www.box.net/shared/static/rqj2ed8qla.jpg http://www.box.net/shared/static/a7nrp3t4fg.jpg So how do you like this set-up vs. lower third? I really don't like lower third and was thinking about the HK mount also. |
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False. The LT660HK on a standard flat-top upper receiver gives you an upper 5/8 cowitness.Quoted:
I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. I like the look of the LT660HK. Larue states that this set-up "would not work properly with a standard M16/AR15 uppers". I am planning to install this on a BCM upper which has a standard A2 front sight/post and a Troy flip-up BUIS (rear). Can you confirm that I will have a 5/8 co-witness? Thanks. BORG |
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I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. False. The LT660HK on a standard flat-top upper receiver gives you an upper 5/8 cowitness. http://www.box.net/shared/static/ntnvz47ell.jpg http://www.box.net/shared/static/p65m79xxks.jpg http://www.box.net/shared/static/rqj2ed8qla.jpg http://www.box.net/shared/static/a7nrp3t4fg.jpg So how do you like this set-up vs. lower third? I really don't like lower third and was thinking about the HK mount also. The HK mount sits a little too low for me. My personal preference is for an absolute cowitness; such as that obtained with the KAC mount. 
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False. The LT660HK on a standard flat-top upper receiver gives you an upper 5/8 cowitness.Quoted:
I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. I like the look of the LT660HK. Larue states that this set-up "would not work properly with a standard M16/AR15 uppers". I am planning to install this on a BCM upper which has a standard A2 front sight/post and a Troy flip-up BUIS (rear). Can you confirm that I will have a 5/8 co-witness? Thanks. BORG I wouldn't use the LT660HK mount with a standard A2 front sight base. |
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I know Larue says the LT660HK is for piston uppers, but what kind of cowitness does it give on a standard upper? Absolute co-witness. False. The LT660HK on a standard flat-top upper receiver gives you an upper 5/8 cowitness. http://www.box.net/shared/static/ntnvz47ell.jpg http://www.box.net/shared/static/p65m79xxks.jpg http://www.box.net/shared/static/rqj2ed8qla.jpg http://www.box.net/shared/static/a7nrp3t4fg.jpg Well then it sucks even more. |
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Actually, neither of our T1 mounts offer absolute cowitness. Both are designed for lower 1/3 (The HK416 mount is designed for raised rails).
Do a roll-over prone, and see where absolute cowitness helps you. I have a graphic somewhere that shows why you would want your irons in the lower third, especially on the T1. With irons up, too much of your target gets covered by the rear sight. If you run without irons, or irons down, it does not really matter. I run with irons up on my T1, Comp M2's, 4's and EOTechs. It's not efficient economy of motion to stop, and flip up two sights...especially if you're getting shot at. The whole idea is to get the irons out of the way, but have them there as a back up. I've trained where people always try to line the two up before taking a shot, or get too wrapped around the axle with getting everything centered. A red-dot is not meant to be used that way. Put the dot on the target, anywhere in the viewing area, and squeeze. |
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I run with irons up on my T1, Comp M2's, 4's and EOTechs. It's not efficient economy of motion to stop, and flip up two sights...especially if you're getting shot at. The whole idea is to get the irons out of the way, but have them there as a back up. I've trained where people always try to line the two up before taking a shot, or get too wrapped around the axle with getting everything centered. A red-dot is not meant to be used that way. Put the dot on the target, anywhere in the viewing area, and squeeze. Great statement! I've got so used to running high reliability ACOGs, Aimpoint/3X, & just Aimpoints that I exclusively train with the irons down with the Aimpoints, I shoot better that way. Irons down may be a dis-advantage but I have great faith in my Aimpoints and also much shooting with BAC/ACOGs. Hate sh-t cluttering up the FOV, center the red mass and squeeze, BUT QUICKLY! Tried absolute co-witness with the irons down, but the slightly higher LaRue lower 1/3 co-witness mount is faster and gives more of a "heads up" cheekweld which is very important for situational awareness and less of a change when you transition to helmet mounted NV and a IR dot. Went back to the M3 over the low low T1 on the MRP. 
I put the T1 back where it belongs. 
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Actually, neither of our T1 mounts offer absolute cowitness. Both are designed for lower 1/3 (The HK416 mount is designed for raised rails). Do a roll-over prone, and see where absolute cowitness helps you. I have a graphic somewhere that shows why you would want your irons in the lower third, especially on the T1. With irons up, too much of your target gets covered by the rear sight. If you run without irons, or irons down, it does not really matter. I run with irons up on my T1, Comp M2's, 4's and EOTechs. It's not efficient economy of motion to stop, and flip up two sights...especially if you're getting shot at. The whole idea is to get the irons out of the way, but have them there as a back up. I've trained where people always try to line the two up before taking a shot, or get too wrapped around the axle with getting everything centered. A red-dot is not meant to be used that way. Put the dot on the target, anywhere in the viewing area, and squeeze. +1 Get the LT. |
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While we are on this subject, is anyone SURE if LaRue offers a Aimpoint Magnifier Pivot Mount that will EXACTLY line up with the GG&G Acculock AccucamT-1 mount? PursuitSS Use the LT-649-S (short) mount. http://www.box.net/shared/static/vviukh54x3.jpg http://www.box.net/shared/static/vutnqxzzuj.jpg DAMN You're GOOD! PursuitSS |
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What about mounting the T1 on a LMT Piston MRP ... what kind of Larue mount should I be looking at, the standard or 'HK' variant? It'd be the same as any other AR, the standard mount like shown on my MRP above. I just ordered from LT a M4S and 3X on LT mounts of course, for use on one of my MRPs. |
http://farm3.static.flickr.com/2548/3949936688_433086b258_b.jpg Use the tall mount with the piston driven MRP. It's the same height as the standard DI rail. The HK's upper is a little higher. |
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While we are on this subject, is anyone SURE if LaRue offers a Aimpoint Magnifier Pivot Mount that will EXACTLY line up with the GG&G Acculock AccucamT-1 mount? PursuitSS Use the LT-649-S (short) mount. http://www.box.net/shared/static/vviukh54x3.jpg http://www.box.net/shared/static/vutnqxzzuj.jpg Just out of curiosity, did you ever look though the 3x with the T1 behind it instead of in front? |
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http://farm3.static.flickr.com/2548/3949936688_433086b258.jpg http://farm3.static.flickr.com/2548/3949936688_433086b258_b.jpg Use the tall mount with the piston driven MRP. It's the same height as the standard DI rail. The HK's upper is a little higher. That Larue mount sure looks TALL...almost too tall for those flip-up BUIS to work with the T1 sitting in the middle. |
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The iron sights line up in the bottom 1/3 of the optic. It's an optical illusion since they're folded next to the X300. With the tall mount, I can barely see the top edge of the battery cover of the X300. The Troy's are also a low smaller and lower profile than some of the other sights out there. Compared to the MBUIS, they're microscopic.
For shits and giggles, I mounted my T-1 that is on a low mount to the AR. The issue is you cannot get your face behind the optic because it mounts too low. Then your irons would obviously block the FOV. I debated getting the HK mount since I use the flip up back up iron sights. However, I wanted the added clearance for my X300. I always wondered why LaRue didn't put a lightening hole on the tall mount like they did for the HK mount. I imagine they have a good reason. 
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