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Thread: MOE Handgaurd dissapointment

  1. #21
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    I wonder if since this is rotational play if it is due to the fact that it's a 9mm upper.

    I have minimal expereince with 9mm uppers, but aren't they blow back with no gas tube? I wonder if the lack of gas tube is allowing the handguards to rotate slightly?

    Are 9mm standard handguards any different than 5.56 standard handguards?

    Like I said I have very minimal experience with the 9mm AR, and may be WAY off base here.


    -RD62

  2. #22
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    A quarter of an inch sounds a bit much. Perhaps you got a bad set. Did the ones you handled at the local gun shop have that much wobble?

    I have a set and while there is some movement its very minimal so its not enough to concern me.

  3. #23
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    Quote Originally Posted by RD62 View Post
    I wonder if since this is rotational play if it is due to the fact that it's a 9mm upper.

    I have minimal expereince with 9mm uppers, but aren't they blow back with no gas tube? I wonder if the lack of gas tube is allowing the handguards to rotate slightly?

    Are 9mm standard handguards any different than 5.56 standard handguards?

    Like I said I have very minimal experience with the 9mm AR, and may be WAY off base here.


    -RD62
    If there is more rotation towards the front of the handguards your theory is probably correct.

  4. #24
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    Just stock some tape in there like Magpul suggests, end of problem!!! :-D

  5. #25
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    Quote Originally Posted by NCPatrolAR View Post
    If there is more rotation towards the front of the handguards your theory is probably correct.
    There is a gas tube stub keeping the hand guard cap in place so the rotation is mostly at the rear. The upper hand guard does not seem to engage the barrel nut teeth very well....

  6. #26
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    It is an Olympic...could be something wrong with the teeth on the barrel nut...

  7. #27
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    Quote Originally Posted by M&P45 View Post
    There is a gas tube stub keeping the hand guard cap in place so the rotation is mostly at the rear. The upper hand guard does not seem to engage the barrel nut teeth very well....
    What you may want to do is to pull the handguards and look at the barrel nut? See if it is properly indexed on the upper. There is a chance that it was just tightened by the guys at Olympic since there is no need for proper indexing due to the lack of the gas tube.

    I dont know if this helps, but I used to have an Oly 9mm upper. It was very selective about which handguards it would accept. I eventually put a Vltor CASV on it in order to solve the problem.

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