G&R Tactical
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Thread: Formerly reliable BCM 11.5" upper has sudden issues PART II

  1. #21
    Join Date
    Jun 2007
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    1,185
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    I think the extractor spring is definitely the culprit here. I compared the tensions with my finger, and the old bolt's extractor had much less resistance than the new PSA bolt. I'll take it to the range after new year's and check it out.

  2. #22
    Join Date
    Dec 2015
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    274
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    BCM extractor springs are very stout. There was a huge difference for me when I replaced a toolcraft spring with a BCM (both brand new). If the PSA feels like it has more spring pressure then itís probably time to replace it.

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