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Thread: There are NO good rail mounted front sights.

  1. #41
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  2. #42
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    Quote Originally Posted by MikeDawg46L View Post
    Put on a set of MBUS Pros and really like them. They don't lock (though they do set solidly in the up position) so I feel very confident they would fold prior to breaking or bending a wing.
    A front impact should be no problem for a sight such as the MBUS Pro, as it is non locking, but I would be concerned about a side impact, such as it appears markm's DD sight had. I would assume Magpul would have done all kinds of drop tests, including side impact, before product release. I'd be interested to know/see the results.

  3. #43
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    Mark,

    Very sorry about your front sight. Hate that a whack on the floor broke the ear. If you'd like to shoot me an email with your shipping address, I'd be happy to send you a replacement free of charge. This is certainly covered by our warranty.

    Quote Originally Posted by markm View Post


    My only acceptable Rail mounted front sight is going to be rotated out after a garage floor whack destroyed this. I have these on a lot of guns.

    I'd kill for a forged steel version of this piece of shit.

    Joe Marler
    Law Enforcement Sales Manager

    jmarler@danieldefense.com
    www.danieldefense.com

  4. #44
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    Quote Originally Posted by Know1 View Post
    A front impact should be no problem for a sight such as the MBUS Pro, as it is non locking, but I would be concerned about a side impact, such as it appears markm's DD sight had. I would assume Magpul would have done all kinds of drop tests, including side impact, before product release. I'd be interested to know/see the results.
    I don't see how any non-FSB front sight would withstand a side impact. 7lbs of rifle leveraging against a small point like that is going to do damage more likely than not.

  5. #45
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    Maybe someone will eventually make a well designed titanium one or a plastic one that has hardened steel protective ears molded into it along with threaded inserts for the sight post and clamping bar.
    Last edited by Biggy; 08-06-14 at 13:18.

  6. #46
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    Quote Originally Posted by Biggy View Post
    Maybe someone will eventually make a well designed titanium one.
    Not sure if Ti is the answer, though I'll admit that I have very little working knowledge of it. What I do know is that it has incredible weight-to-strength ratios. Not sure if that really speaks to it's resistance to impact.

    Hard steel resists bending, but will break when force is greater than it's strength. Polymer, like the MBUS, has the ability to deflect and return to it's original form until the force is greater than it's maximum deflection range, and then it breaks as well.

    I still believe Magpul rules in overall durability in both it's steel non-locking design and the locking polymer original designs. Maybe they should consider a blended polymer/steel design that would incorporate the non-locking steel base with the excellent deflection rebounding polymer upper piece. Although, another great advantage of the Pro model is the thin folding sight base, and I'm not sure they could get the strength of the Pro sight by making the polymer that thin. The Pro sits very low when not in use.

    Just my thoughts based on what I remember from incomplete mechanical engineering studies several years ago.

  7. #47
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    Quote Originally Posted by Know1 View Post
    A front impact should be no problem for a sight such as the MBUS Pro, as it is non locking, but I would be concerned about a side impact, such as it appears markm's DD sight had. I would assume Magpul would have done all kinds of drop tests, including side impact, before product release. I'd be interested to know/see the results.
    A true side impact would not hit the irons at all. At the angle the rifle likely hit, based on how the sight bent, would still cause the Pro to fold. It would still likely cause some damage to the sight but would still be usable, unlike the DD pictured above.

    DD makes a great product but I don't think their design intent is based on dropping a 7 or 8 lbs rifle on it. That's one area I think Magpul put some thought into. Maybe not to survive unscathed, but certainly remain serviceable until the battle is won and the sight can be replaced.

  8. #48
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    Quote Originally Posted by markm View Post


    My only acceptable Rail mounted front sight is going to be rotated out after a garage floor whack destroyed this. I have these on a lot of guns.

    I'd kill for a forged steel version of this piece of shit.

    A forged steel version of a fixed rail mounted front sight. Falls from the same height and the rail itself breaks. I'll take this sight all day long. DD has already offered to replace it.

    Dan
    Support your local Deputy.

    It is better to sweat in Training than Bleed in Battle.


    www.usnst.org

  9. #49
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    Quote Originally Posted by Amur View Post
    But do you really want folding sights on a irons only gun?
    Hell no. But what's the alternative?

    Quote Originally Posted by agr1279 View Post
    A forged steel version of a fixed rail mounted front sight. Falls from the same height and the rail itself breaks.
    I have whacked the living shit out of my rail mounted lights... much harder than the fall this gun took, and the rail didn't break. I've never even heard of a rail breaking short of an IED or vehicle roll over.
    Last edited by markm; 08-06-14 at 10:23.
    "You people have too much time on your hands." - scottryan

  10. #50
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    Quote Originally Posted by Marler5811 View Post
    Mark,

    Very sorry about your front sight. Hate that a whack on the floor broke the ear. If you'd like to shoot me an email with your shipping address, I'd be happy to send you a replacement free of charge. This is certainly covered by our warranty.
    Wow. I appreciate that. I don't really feel that it's DD's fault that this broke. I think it's just the nature of a non-steel part... and ANY of the Troy, LMT, etc. variants would have likely had the same outcome.
    "You people have too much time on your hands." - scottryan

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