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Thread: Troy Ambi Safety fit on a Noveske gen II lower with ?

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    Troy Ambi Safety fit on a Noveske gen II lower with ?

    Greetings,
    I am trying to determine if a Troy Ambi Safety will fit correctly on a Noveske Gen II lower ?

    I've already been in contact with both Troy and Noveske, and neither committed to a definitive answer.

    And before I shell out the cash for one I'd like to hear from people who have had it work or not work for them.

    Did it need to be modified, does is scrape the lower, work correctly, etc.?

    A photo would be great!



    thanks

  2. #2
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    Idk about the Troy Safety but I would recommend the Ambi Noveske STS 60 degree safety. It works great and is only $39.99.
    Do you mean you need to find out before you buy the safety or the lower? The lowers are in spec I can't imagine there being an issue with a well made safety...
    Edit: Sorry are you looking for full auto specifically? Then I would go with something from BAD.
    Last edited by jerrysimons; 03-11-13 at 11:38.

  3. #3
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    Quote Originally Posted by FlexBravo View Post
    Greetings,
    I am trying to determine if a Troy Ambi Safety will fit correctly on a Noveske Gen II lower ?

    I've already been in contact with both Troy and Noveske, and neither committed to a definitive answer.

    And before I shell out the cash for one I'd like to hear from people who have had it work or not work for them.

    Did it need to be modified, does is scrape the lower, work correctly, etc.?

    A photo would be great!

    thanks
    The Troy ambi selector + Noveske Gen II lower is a no go. The ambi-selector body, which houses the ball detent, overall length isn't sufficient to clear the side walls on the lower receiver - it's just shy a couple thousandths.

  4. #4
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    Quote Originally Posted by Ming_the_Merciless View Post
    The Troy ambi selector + Noveske Gen II lower is a no go. The ambi-selector body, which houses the ball detent, overall length isn't sufficient to clear the side walls on the lower receiver - it's just shy a couple thousandths.
    Thanks, exactly what I was looking for. Too bad I prefer the Troy detent model to the screw on types.

    I could not find the email from Noveske but I seem to remember them stating that their lower was not milspec (obviously), and Troy stating that their selector only fit milspec lowers. Neither statement told me whether or not it would fit for sure.

    Noveske did of course recommend their selector, but I'm not a huge fan of the Magpul plastic/polymer they use. However, I may end up going that route as I know if fits for sure.

  5. #5
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    that polymer is stronger than you think.

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    Understood on the detent/screw preference. If you do end up having to go with something else, the BAD CASS version does use a dovetail, so there's less pressure on the screw.

  7. #7
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    Quote Originally Posted by ejskle View Post
    Understood on the detent/screw preference. If you do end up having to go with something else, the BAD CASS version does use a dovetail, so there's less pressure on the screw.
    Another plug for the BAD-CASS. I have a 90 degree version and I like it very much. There is a rather large thread with lots of happy owners. Roger is a stand-up guy to deal with.
    ......................
    In Memomoria Mei Fratris.

  8. #8
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    I've taken measurements from Troy selectors, as we do so with every selector we can find so we have as complete a reference table as possible. Troy selectors dimensions are very similar to ours, except the selector center.

    Our selector center probably has no equivalent, in that it's slightly longer to accommodate a wide variety of receiver thicknesses. In the earliest days of its development, we tried to design a center that would fit everyone's receiver, while minimizing the gap between the lever and receiver, until we came to the conclusion that it's impossible with the 5.56mm and 7.62 ARs, as the range of thicknesses is rather wide, even within Colt there is a wide margin. With forged receivers, this is I think inevitable, while billet receivers can hold tighter tolerances. But then there are many billet receiver manufacturers, not all of them are within specs, more info here https://www.m4carbine.net/showthread.php?t=81908

    We published the article regarding the gap, as it's an often asked question. Our center's length is based on a Colt SP1 and on the thick side, it works with receivers as thick as 0.910.

    Whereas a selector lever would be flush on both sides on a in spec receiver, the gap would be present on thinner receivers. Conversely, this same selector has the potential of binding its levers on thicker receivers.

    With the 15-22, as S&W is the only receiver manufacturer for the MP15-22 receiver, so we didn't have to worry about a wide range of thicknesses, and made the levers as flush to the receiver as possible.

    Re: Noveske receivers, every one of them we've come across has been right on the money and within milspecs in terms of thickness (tolerances are between 0.878 to .0895, Noveske receivers are right in the middle), so I'm curious as to why the Troy wouldn't work on it?

    The only thing I can think of is that Troy uses a dovetailed design for lever attachment, much like our BAD-CASS series. On the BAD-CASS series (M16, semi auto 90 degree, and semi auto 45 degree, and soon 0-50-18 short throw M16), the center is longer than the BAD-ASS so the dovetail interface will not bind on the receiver.

    On the left is the BAD-ASS, on the right is the BAD-CASS (dovetailed), photo courtesy of JConsiglio
    Roger Wang
    Forward Controls Design
    Simplicity is the sign of truth

  9. #9
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    Make this real easy and buy the Battle Arms lever. They work perfectly and I have thousands of rounds through mine on several different AR's.



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  10. #10
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    I have to admit that one of the reasons I passed by the BAD-ASS and the Noveske originally was due to the screws. I imagined them coming loose and falling out in the field so I looked elsewhere and found Troy.

    I know there's lock-tite and I'll need to do a bit of homework to see what folks are doing to keep them nice and tight since I may end up going with one. I know there are a bunch of threads on this so I'll go take a look.

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