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AR Extractor Problem...

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  • #1
    Cali-V
    Senior Member
    • Dec 2006
    • 1942

    AR Extractor Problem...

    Ok I picked up an AR-Stoner Bolt & Barrel in 50 Beo, assembled the lot on a Sun Devil non forward assist upper...

    During a function test, I chambered a spent case and moved the BCG forward, it will not close or engage. The BCG stops about a 1/8' shy. Same issue with a factory live round... (firing pin removed)

    Everything locks up fine, without a shell chambered.
    Also, if I remove the extractor, and a shell is chambered, it'll lock up.

    I'm thinking for some reason the extractor is not flexing outward enough to get pass the rim of the shell and engage.

    Has anyone had this type of problem, and what solutions have worked to correct?

    Thanks
    CV
    oh this...
    It's a Single Cylinder - Single Stroke,
    Internal Combustion Engine,
    with a Free Floating Piston...
    Tags: None
    • #2
      TKM
      Onward through the fog!
      CGN Contributor
      • Jul 2002
      • 10657
      Don't move the BCG forward. Let it slam closed on it's own.

      Riding the charging handle will almost always result in your results.
      It's not PTSD, it's nostalgia.

        Comment

        • #3
          Cali-V
          Senior Member
          • Dec 2006
          • 1942
          The upper is not mounted on a lower... I was just testing the upper for lockup...
          oh this...
          It's a Single Cylinder - Single Stroke,
          Internal Combustion Engine,
          with a Free Floating Piston...

            Comment

            • #4
              ar15barrels
              I need a LIFE!!
              • Jan 2006
              • 57093
              Extend the extractor's cut forward so it will snap on the rim.
              Last edited by ar15barrels; 03-21-2010, 10:15 AM.
              Randall Rausch

              AR work: www.ar15barrels.com
              Bolt actions: www.700barrels.com
              Foreign Semi Autos: www.akbarrels.com
              Barrel, sight and trigger work on most pistols and shotguns.
              Most work performed while-you-wait.

                Comment

                • #5
                  Cali-V
                  Senior Member
                  • Dec 2006
                  • 1942
                  Originally posted by ar15barrels
                  Extend the extractor's cut forward so it will snap on the rim.
                  I'll give it a light sanding... The milling looks really bad...
                  Last edited by Cali-V; 03-21-2010, 10:42 AM.
                  oh this...
                  It's a Single Cylinder - Single Stroke,
                  Internal Combustion Engine,
                  with a Free Floating Piston...

                    Comment

                    • #6
                      Cali-V
                      Senior Member
                      • Dec 2006
                      • 1942
                      Thanks Randall, the Wulf now locks up just fine...

                      Now to open up the ejection port....
                      oh this...
                      It's a Single Cylinder - Single Stroke,
                      Internal Combustion Engine,
                      with a Free Floating Piston...

                        Comment

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