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Thread: Sighting in new BCM 14.5 middy with LaRue BUIS...is this a problem?

  1. #31
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    According to this chart...with a 50yd zero, I should be hitting about 1.5" high at 100yds.

    Maybe I had it backwards...LOL!



    Yeah, with a 100 yd zero...I would be around 3/4" low at 50. I'll buy that!

    Thanks for the info!!
    Last edited by JohnnyNumbers; 04-25-12 at 23:45.

  2. #32
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    Quote Originally Posted by Tweak View Post
    ETA: a 100 yd zero will be low all the way out.


  3. #33
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    Quote Originally Posted by SW-Shooter View Post
    There are now 4 known issues that involve BCM uppers. Now I'm not pointing the finger at that, it could be a combination of many factors but something is definitely amiss.https://www.m4carbine.net/showthread.php?t=104141
    https://www.m4carbine.net/showthread.php?t=103559
    So what are you pointing at? In the first link the OP has yet to confirm it's a BCM upper. The second link is a guy that can't even shoot a group yet, then some other guy jumps in for advice and he's shooting a 6920.

  4. #34
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    I'm glad the OP is asking for help. He didn't come out the gate bashing either LaRue or BCM. Once his testing with different sights ruled out the LaRue sight as the issue, he contacted BCM for help.

    This is as it should be.

    Any manufacture of any product can have something slip through. This is why it's important to test your equipment prior to usage.

    To me a company's willingness to stand behind their product after the sale is almost as important as the quality of the initial product itself.

    So before this becomes a BCM witch hunt, lets just see if the BCM customer service is as strong as it's known to be. I'm betting the OP's issues will get taken care of.

  5. #35
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    If it's a problem with BCM uppers, clearly BCM just got a bad batch of them. I'm a Bravo Company fanboy, but they probably should have caught this before assembling them. I bet they will from now on. So far everything I've purchased from them has been 100%, so I believe this will end up just being an anomaly.
    Last edited by Doc Safari; 04-26-12 at 13:59.

  6. #36
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    Quote Originally Posted by AKDoug View Post
    So what are you pointing at? In the first link the OP has yet to confirm it's a BCM upper. The second link is a guy that can't even shoot a group yet, then some other guy jumps in for advice and he's shooting a 6920.
    I was thinking the same thing after reviewing those threads.
    Quote Originally Posted by scottryan View Post
    Anybody that owns or sells pistol versions of assault rifles is a bottom feeder, irregardless of the ban status of certain ammunition.

    They are illigetimate weapons that have no real purpose other than to attract retards to the gun community.

  7. #37
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    For me it was the LaRue BUIS. Maybe I am missing something but I just checked again and when I mount the LaRue inforont of my LMT both switched to the small app. The LaRue app. seems to sit higher.

    When I have my nose to charge handle the fsp is slightly obscured by the LaRue app. I know that's not very scientific though.

  8. #38
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    Quote Originally Posted by SW-Shooter View Post
    There are now 4 known issues that involve BCM uppers. Now I'm not pointing the finger at that, it could be a combination of many factors but something is definitely amiss.https://www.m4carbine.net/showthread.php?t=104141
    https://www.m4carbine.net/showthread.php?t=103559
    What are you talking about? Four known issues? Because you found four threads with relatively insignificant problems does not mean that BCM has multiple known issues with their uppers. I would say, if anything, it's because BCM sells so many uppers now that almost anyone who is buying a quality, custom AR is buying BCM now.

    I'm sure S&W never has these issues, huh?

  9. #39
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    Quote Originally Posted by djmorris View Post
    What are you talking about? Four known issues? Because you found four threads with relatively insignificant problems does not mean that BCM has multiple known issues with their uppers. I would say, if anything, it's because BCM sells so many uppers now that almost anyone who is buying a quality, custom AR is buying BCM now.

    I'm sure S&W never has these issues, huh?
    The simple fact that these issue's are concerning BCM uppers, that is why I posted the links. Several new owners of BCM uppers have posted minor/major issues about those uppers. BCM is a great company and takes great care of their customers, including me. I'm a BCM fan and enjoy their products as much as the next guy. The fact is some problems have occurred as of late, that's not a dig on BCM it's merely community notification and awareness. Every manufacturer has it's fair share of problems and BCM is not immune. But "the chart" has produced a myriad of end users that feel that unless it's a top tier manufacturer, it's crap. So let's be real, there is no immunity to manufacturer defect, chart or no chart.

    What makes you think I even own a S&W ( I do not)? SW doesn't stand for Smith and Wesson, buddy.
    Last edited by SW-Shooter; 04-26-12 at 17:28.

  10. #40
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    Quote Originally Posted by AKDoug View Post
    So what are you pointing at? In the first link the OP has yet to confirm it's a BCM upper. The second link is a guy that can't even shoot a group yet, then some other guy jumps in for advice and he's shooting a 6920.

    Reading is fundamental Sparky. I know for a fact that these uppers are all BCM. Also, his 6920 shoots fine but when he switched the BUIS to his BCM he started having problems sighting it in. How about YOU read the posts thoroughly, and then try to make a coherent statement against the facts that I posted about.

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