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Thread: What causes sporadic ejection patterns?

  1. #1
    Join Date
    Feb 2019
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    What causes sporadic ejection patterns?

    I recently got a PSA 10.5 upper for a super good deal and slapped it on a pistol lower that was running with just a standard buffer and spring. It immediately gave me issues but I think that was due to the surplus colt bolt needing attention. One thing I did notice is the ejection pattern when using wolf steel is that the ejection would go from 1 o’clock to 5 o’clock like it was trying to fertilize my yard. I have a feeling it was the buffer since I swapped to a BCM H2 and I also got the BCM Bolt SOPMOD upgrade kit, now it seems to be at a steady 4 O’clock. But I wish I had done it one at a time, so is this usually a buffer weight issue or bolt extractor tension issue?

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  2. #2
    Join Date
    Jul 2012
    Feedback Score
    112 (100%)
    My suggestion was going to be exactly what you did when I first started reading it.

    Leave them in there and enjoy.


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