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Thread: Interesting BUIS Drop Test

  1. #21
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    Duane.. A question concerning the rear sight.. Will the long range sight leaf stow in a non-obtrusive profile if you wish the larger aperature to come up first on deployment?

  2. #22
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    Interesting BUIS Drop Test

    For various reasons, the small aperture protrudes when stowed similar to the mbus, but a bit less. If it bothers you, you can drift out a pin and have just the large aperture. I run the small aperture folded down as a default position, and it doesn't interfere with any installation that I have.

    On test results, we'll talk about our test protocols, but we don't publicize results of testing any competing products (except the USGI magazine, as it is somewhat generic) for reasons of professional courtesy and objectivity. If we say we tested some external product and it did "x", it's too easy for someone to claim bias, and just poor etiquette, so we keep those results inside our walls to help make our stuff better.
    Duane Liptak, Jr.
    Executive Vice President
    Magpul Industries

    info@magpulcore.com

    This is a personal account linked to a personal e-mail. Company affiliation and titles are provided purely for transparency requirements of the host site. Although factual company information may be shared through this account, any opinions expressed are solely those of the account holder, and not necessarily those of Magpul Industries or subsidiaries.

  3. #23
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    Re: Interesting BUIS Drop Test

    Quote Originally Posted by SPQR476 View Post

    On test results, we'll talk about our test protocols, but we don't publicize results of testing any competing products (except the USGI magazine, as it is somewhat generic) for reasons of professional courtesy and objectivity. If we say we tested some external product and it did "x", it's too easy for someone to claim bias, and just poor etiquette, so we keep those results inside our walls to help make our stuff better.
    Understandable.

    Among your test protocols for the MBUS, did Magpul test side impact against a deployed sight? If so, how did it fare versus steel sights? I'm curious if the robustness of the MBUS is due more to the spring design or to the durability of the polymer itself.

    Sent from my NookColor using Tapatalk 2

  4. #24
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    Quote Originally Posted by SPQR476 View Post
    You'd have a real hard time hurting a set of pros. It's not impossible, don't get me wrong, but they'd fare better in a bomb blast than the rifle would.
    Okay, given. But was there some operator-level feedback on the MBUS Gen 2 polymer sights that caused someone at your company to decide "Jeez, we really need a steel version for "X" application because of "X" inadequacy with the polymer version?

    Again, I'm anticipating that most civilian users won't break even the polymer MBUS, but was there some "line in the sand" discovered where the polymer version was no longer adequate?

  5. #25
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    One of my shooters had acquired a Colt variant than did not come with sights. He was shopping for red dots in the $50-100 price range, and I convinced him that since failure would come sooner or later he was going to need a set of BUIS. He bought the Magpuls and I helped him with zeroing as he didn't have any experience with an AR. those sights were dead on out of the box - no adjustment required. While I suspect this was a coincidence, I was impressed. He on the other hand believed that the new Rock River he also bought was also pre-zeroed, but that's another story. Anyway, I didn't have any prior experience with the Magpuls, but if they're anything like the magazines, then they're probably good for what they're intended.

  6. #26
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    Duane I don't know how you guys keep doing it but everything that comes out of Magpul is a damn home run. I'm looking forward to the reversal of the recent tragic and unilaterally passed laws in Colorado so I can buy some of your AK mags.
    “Of all tyrannies, a tyranny exercised for the good of its victims may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron’s cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end, for they do so with the approval of their own conscience.”

    -C S Lewis

  7. #27
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    The ARMS 40 would have faired just as goo as the MBUS, its the nature of the test. A drop like that will always damage sights that lock up.
    Quote Originally Posted by C4IGrant View Post
    Colt builds War Horses, not show ponies.
    Quote Originally Posted by Iraqgunz View Post
    This is 2012. The world is going to end this December and people are still trying to debate the merits of piece of shit, cost cutting crap AR's. Really?

  8. #28
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    Quote Originally Posted by Doc Glockster View Post
    Okay, given. But was there some operator-level feedback on the MBUS Gen 2 polymer sights that caused someone at your company to decide "Jeez, we really need a steel version for "X" application because of "X" inadequacy with the polymer version?

    Again, I'm anticipating that most civilian users won't break even the polymer MBUS, but was there some "line in the sand" discovered where the polymer version was no longer adequate?
    He touched on it on a previous post some. Partly because with stronger material they can make them smaller, too less front sight adjustment, etc. I for one had problems with the mbus not fitting where I needed it on one rifle, but I do think they are pretty good for the price.

    Here ya go,

    Quote Originally Posted by SPQR476 View Post
    The biggest benefits are size/profile (you can't get much smaller), tool-less adjustment of the front sight, greater compatibility with lights and lasers for the front sight, heat resistance (can place directly on gas block if you like), overall sight picture (slimmer sights reduce vision blockage), and yes, the durability gets to ridiculous levels. Our testing includes multiple iterations of a 6 axis, 5 foot drop test onto concrete, on an 8lb rifle in both stowed and deployed configuration, with no optic or other accessories which could cushion or protect the sights, all on the same set of sights. You'd have a real hard time hurting a set of pros. It's not impossible, don't get me wrong, but they'd fare better in a bomb blast than the rifle would.
    Last edited by steyrman13; 09-05-13 at 16:37.

  9. #29
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    Please don't take this the wrong way, but having been in the military, this silliness is fun...

  10. #30
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    Quote Originally Posted by steyrman13 View Post
    He touched on it on a previous post some. Partly because with stronger material they can make them smaller, too less front sight adjustment, etc. I for one had problems with the mbus not fitting where I needed it on one rifle, but I do think they are pretty good for the price.
    I did get the idea that there might be issues with the polymer sight if your optic won't clear the sight even folded down, but I wanted to see if that was the main gripe or if it was something else, like deterioration of the mechanism due to egging out of pin and spring holes as a result of repeated spring activation, just as one possible example.
    Last edited by Doc Safari; 09-05-13 at 16:47.

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