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G21SF w/ Picatinny and Ambi

Discussion in 'General Glocking' started by nick425, Sep 11, 2010.

  1. nick425

    nick425

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    Fixed... It was my damn thumb holding it down...
     
    Last edited: Nov 3, 2010
  2. JR

    JR Moderator Millennium Member

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    There are only a few things that can cause this failure. You decide which one.

    1 Directly involves the slide lock. Installed incorrectly (re-install), weak spring (replace unit)
    2 Directly involves the magazine. Need an up-dated follower (replace unit), weak mag spring (replace unit)
    3 Weak ammo. Fails to blow the slide back far enough to engage the locking notch. This is an issue with some 9mm pistols, pretty much impossible with the power of a 45.
    4 Shallow slide notch cut. (re-cut the notch)