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Thread: Company changing the barrel on my new upper due to poor accuracy.

  1. #21
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    You guys that are (were) clamoring to know the manufacturer are missing the point of the thread.

    As I read his post ghostman is looking to increase his knowledgebase by asking what would cause a 3' group at 50 yards (just to be clear, this an actual, measured, "group"? How many rounds? Pictures of the target?).

    GM, since you said it's a 14.5" we can assume pinned muzzle device as well? So there's no real way for you to inspect the crown? If so, I wonder if the drill press didn't get ahead of someone and the pin got inserted too deep (yes, I know the press should have a stop on it to prevent this) or the crown somehow got damaged in the process.

    Just chalk it up to chaos theory, or so I'm told.

  2. #22
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    Quote Originally Posted by Belmont31R View Post
    Im 95% sure I already know but it doesnt hurt. I think this brand got some real bad barrels from their supplier, and we've seen a few with the same issue in the last 2 months.
    That is my guess as well. Not wanting to "chance it" when I sent mine back to BCM I requested an upgrade to their SS410 16 inch mid length with LaRue rail. They accommodated my request in a very fair and reasonable fashion, so it all ended well for me. Kudos to BCM for taking care of me.
    Last edited by Canonshooter; 11-09-10 at 12:04. Reason: Remove photo

  3. #23
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    Quote Originally Posted by rob_s View Post
    Just chalk it up to chaos theory, or so I'm told.
    Yep, that has got to be it!

    Seriously though, thanks for posting. You and BKB have given me some insight into what could cause this.

    As for the post below yours, what is with people high jacking topics lately with pictures of their rifles? Can we start telling these people to post their photos in the AR Picture Thread and leave them? It seems like a loop hole way for people to litter the forums with their cool new gun.

    Sorry buddy, your like the fifth person I've seen high jack in this way in two weeks.
    Mobocracy is alive and well in America.*
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  4. #24
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    Quote Originally Posted by Mac5.56 View Post
    As for the post below yours, what is with people high jacking topics lately with pictures of their rifles? Can we start telling these people to post their photos in the AR Picture Thread and leave them? It seems like a loop hole way for people to litter the forums with their cool new gun.

    Sorry buddy, your like the fifth person I've seen high jack in this way in two weeks.
    Photo removed so you don't have to go through life with your panties in a bunch.

  5. #25
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    Quote Originally Posted by Canonshooter View Post
    That is my guess as well. Not wanting to "chance it" when I sent mine back to BCM I requested an upgrade to their SS410 16 inch mid length with LaRue rail. They accommodated my request in a very fair and reasonable fashion, so it all ended well for me. Kudos to BCM for taking care of me.
    How many incidents of this are you guys aware of? Did you hear something specific about a bad batch or is that just speculation based on some anecdotes? I'm not arguing with you, just asking for context out of curiosity since my friend just got one a couple weeks ago and is waiting on other parts before shooting it. Any idea if they've been able to diagnose the issue and start inspecting for it before shipping?
    Last edited by VelveteenMole; 11-09-10 at 12:21.

  6. #26
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    Quote Originally Posted by .45fmjoe View Post
    And Paul is taking care of you with no problems. Knowing him and how he works, I expect nothing less. Every company has a problem once in a while, the good ones fix them quickly and hassle free.
    I am confident they will fix my upper. The only thing that bothers me is all the ammo I wasted trying to sight it in.
    American by birth, southern by the grace of American Van Lines

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  7. #27
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    Quote Originally Posted by ghostman1960 View Post
    I am confident they will fix my upper. The only thing that bothers me is all the ammo I wasted trying to sight it in.
    Isn't that the purpose of sighting in? To establish a zero and identify any unknown issues?

  8. #28
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    This is the best target of the day. I did not bother measuring it as was pretty disgusted by this time. I shot about 300 rounds that day trying to site the darn thing in. Just to make sure it was the upper and not me I mounted the mbus and RDS on my Spikes middy upper and had no problems.

    Best BCM target of the day:
    American by birth, southern by the grace of American Van Lines

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  9. #29
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    Is it my lousy eyesight or do some of those holes look a bit elongated?

  10. #30
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    Quote Originally Posted by Canonshooter View Post
    Is it my lousy eyesight or do some of those holes look a bit elongated?
    the paper tends to tear with the grain. but i don't know.

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