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Troy BUIS... Should these wiggle!?

Discussion in 'Black Rifle Forum' started by tjamazing, Feb 24, 2010.

  1. tjamazing

    tjamazing

    25
    0
    May 15, 2000
    North Carolina
    After all the reviews I read about these things being rock solid, I hope mine are lemons and that this isn't the standard.

    I picked up the standard TROY front and rear BUIS and have attached them to my upper. Unfortunately, although they very audibly click into place when put in the "up" position, they have front-back play (particularly on the front sight). The front especially concerns me because if I wiggle it around, the sight doesn't necessarily settle in the place where it would if I manually push it all the way forward.

    So, how tight should these be? Is any wiggle indicative of a problem, or is it a matter of how much wiggle? I was expecting these to feel like fixed sights once "locked" up and am a bit disappointed.

    Is there any adjustment required that I'm not aware of?

    Thanks in advance for any help.
     
  2. MARSH1

    MARSH1 Dealer Silver Member

    688
    0
    May 21, 2007
    Texas
    Sounds normal. There is some play so they won't bind up if dirt or sand gets in them.
     

    Last edited: Feb 25, 2010

  3. Everybody in my family and friends that own AR's all have troy buis and yes there is light play on the rear sight. out of 12 different ones ive flipped there is play.
     
  4. AZ Husker

    AZ Husker

    7,047
    715
    Mar 25, 2003
    Phoenix
    Sounds like a poor design to me. Wiggle means inaccuracy.
     
    Last edited: Feb 25, 2010
  5. Totally normal-- due to the design, all of the flip ups have some play in them.
     
  6. I bought my first Troy recently and also noticed a little play. I still have faith that it will be solid whenever I need it. I also use the MI low profile BUIS. It actually seems to have less play when in the folded position. However the Troy seems more robust in design. I use both. Both work.
     
  7. Puppy

    Puppy

    1,394
    0
    Nov 12, 2006
    Yea my Troy BUIS has a little front to back wiggle but I think that's just the nature of flip up sights.
     
  8. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,121
    479
    Nov 24, 2005
    Troy
    They cost 2.5 times more than the MBUS,.......but I think they are stronger.
    The Troy sights are the standard to which all others are judged.
     
  9. 0reo

    0reo

    70
    0
    Jun 19, 2009
    I bought a GG&G front flip-up BUIS / gas block. There is no play at all. Positively locks up quietly and feels solid as a rock.
     
  10. MARSH1

    MARSH1 Dealer Silver Member

    688
    0
    May 21, 2007
    Texas
    It is part of the design. They are a folding backup sight. The last thing you want is for a backup sight to not fully deploy because there is some dirt in them. For a precision primary iron sight there are other options.
     
    Last edited: Feb 25, 2010
  11. Never dealt with the troy, but my Magpuls are rock solid in either the raised or lowered position.
     
  12. Kahrguy330

    Kahrguy330 I don't believe

    192
    0
    Apr 8, 2009
    South of Heaven
    The Troy BUIS that came on my Noveske have zero wobble... To the OP, perhaps give Troy a call and tell them your concern?
     
  13. MARSH1

    MARSH1 Dealer Silver Member

    688
    0
    May 21, 2007
    Texas
    I know that people post a lot of opinions on the web but we are a Troy factory direct dealer. We have sold hundreds on theses sights. The movement is normal and part of the design for the reasons I have already posted. A quick call to Troy cust support will verify that.

    Thanks
    Marshall
     
  14. KalashniKEV

    KalashniKEV

    6,391
    3
    Sep 24, 2003
    NoVA
    They all wiggle a bit, nothing that flips up is going to be "rock solid." If you ever see high speed film of different guns w/ the bolt going back and the brass kicking out, take a look at the sights.

    So long as they go back to the same place before you sqeeze again, you're GTG.
     
  15. tjamazing

    tjamazing

    25
    0
    May 15, 2000
    North Carolina
    Thanks to everyone for contributing. This generated alot more discussion than I expected. I have posted a small video of what is happening, so please give me your impressions, especially on the front sight.

    If you look carefully, you'll notice that the front sight does not return to it's original full upright position after I wiggle it around. The rear sight moves far less, and I guess I can live with that.

    Video...

    Again, thanks for the help.
     
  16. Kentak

    Kentak

    3,781
    288
    Jan 8, 2006
    Central Ohio
    Not at all. If his sight is like mine, there is no side to side play, just a very slight front to back movement. No effect on the POI.
     
  17. KalashniKEV

    KalashniKEV

    6,391
    3
    Sep 24, 2003
    NoVA
    Yeah, they all do that. No issue.
     
  18. Kentak

    Kentak

    3,781
    288
    Jan 8, 2006
    Central Ohio
    It's great that you posted a vid. So many problems people post about on gun forums would be so much easier to understand with a pic or a vid.

    Anyway, I see what you mean about the front sight not returning to full upright. However, it's such a tiny amount that it's not going to make any difference in accuracy. Now, on mine, the wiggle is about the same, but there is enough spring tension to return it to full upright.

    I bet your sights are just tight and there is a little more friction in the pivot than some others. Put a couple drops of oil into each side of the sight and work it through it's full range of motion a bunch of times. Good chance that might free it up enough to return to full upright.
     
    Last edited: Feb 25, 2010
  19. tjamazing

    tjamazing

    25
    0
    May 15, 2000
    North Carolina
    Thanks for the suggestion. I'll give it a try. Even it it wiggles, I'd still like it to return to full upright by itself.

    If I were clever enough, I would measure the difference in height between full upright and wiggled back and figure out the theoretical difference in POI at 100 yards that the difference means. Maybe it's so small that the answer is .01 inches. Or, maybe it's .5 inches. In any case, it's likely to amount to nothing but I wish I knew.