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Thread: Which if any tritium front sight posts will work with Mbus Gen II?

  1. #1
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    Which if any tritium front sight posts will work with Mbus Gen II?

    I've been searching about two hours now and can only find conjecture and no actual pictures or success stories...

    I run trit front sight posts on all of my BUIS and FSBs and for the first time ever I'll be using a MBUS Gen II front sight in a build and I need to know if anyone has succesfully installed a tritium front sight post in one. If so, which brand was it and did it require modification? I'm still waiting for the sight in the mail so I can't just pop one off of another sight to check it out. I'm hoping the Mepro will work, as I like them best. Thanks in advance!!!

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    any standard A2 post should work.

    per Justin at Magpul on TOS:

    Both the Gen 1 and current Gen 2 MBUS use a standard A2 front sight post that can be found on any M16/M4. The Gen 1's was held in place via friction while the Gen 2 uses a detent similar in concept to a factory sight.

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    Quote Originally Posted by b225 View Post
    per Justin at Magpul on TOS:
    Ahhh thank you sir... I had read contradicting stories... Much obliged... Another Mepro it is then...

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    The contradictive stories were probably written by someone attempting to use a non-milspec front sight. Just make sure the thread pitch/length is the same and you'll be good.

  5. #5
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    Allow me to illuminate to you why tritium sights are a waste of money on civilian HD guns (the camera flash shows the sights, but they can't be seen with the naked eye):



    For a carry gun, maybe they're worthwhile for that 2% of the day between dark and light.

    Generally though, if it's bright enough that you don't need a light, you can see your sights. If it's dark enough that you need a light, the tritium wouldn't show up anyway...all you can see is a silhouette of the sights.

    I've tried a tritium front sight post on an AR before and found it to support what I've stated. How have you found it to work well for you or are you just spending money?
    Last edited by ASH556; 01-25-13 at 15:14.
    Semper Paratus Certified AR15 Armorer

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    ^^ This

    The only marginal benefit I've experienced with a tritium front sight is shooting during dusk/dawn. And even then (for folks with better vision than myself; mine is not-so-great), negligible (being honest).
    Last edited by ^Rb; 01-25-13 at 15:30.

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    Quote Originally Posted by ASH556 View Post
    Allow me to illuminate to you why tritium sights are a waste of money on civilian HD guns (the camera flash shows the sights, but they can't be seen with the naked eye):



    For a carry gun, maybe they're worthwhile for that 2% of the day between dark and light.

    Generally though, if it's bright enough that you don't need a light, you can see your sights. If it's dark enough that you need a light, the tritium wouldn't show up anyway...all you can see is a silhouette of the sights.

    I've tried a tritium front sight post on an AR before and found it to support what I've stated. How have you found it to work well for you or are you just spending money?
    Quote Originally Posted by ^Rb View Post
    ^^ This

    The only marginal benefit I've experienced with a tritium front sight is shooting during dusk/dawn. And even then (for folks with better vision than myself; mine is not-so-great), negligible (being honest).
    I don't see the point on BUIS, but are you saying that the tritium doesn't show up when it's dark at night? Mine definitely do.
    Last edited by Wake27; 01-25-13 at 16:19.

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    Quote Originally Posted by Wake27 View Post
    I don't see the point on an BUIS, but are you saying that the tritium doesn't show up when it's dark at night, because mine definitely does.
    Not against a white light it won't. Try it.
    Semper Paratus Certified AR15 Armorer

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    Quote Originally Posted by ASH556 View Post
    Not against a white light it won't. Try it.
    Oh fair enough, I misread. Isn't that kind of the point of night sights though, just in case you don't have a light?

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    Quote Originally Posted by Wake27 View Post
    I don't see the point on BUIS, but are you saying that the tritium doesn't show up when it's dark at night? Mine definitely do.
    No, you need to re-read the thread.

    Tritium sights wouldn't be tritium sights if you couldn't see them in the dark--the point "Wake27" and myself are trying to make is that, if you are in a position needing to fire your gun in the pitch-dark, you will [likely] be using a weapon-mounted light, and the pictures above clearly show (what we already know) that tritium makes no difference.
    Last edited by ^Rb; 01-25-13 at 16:54.

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