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Sig 522 Failures to Fire

Discussion in 'Rimfire Forum' started by Rimcrew, May 13, 2012.

  1. Rimcrew


    Mar 17, 2009
    Picked up a 522 3 weeks ago and about 1 in 20 rounds will not fire. It happens with all ammo types and when it happens there is not a firing pin mark on the primer, where as when the round does fire there is a deep circle on the primer.

    I have examined the FP/Bolt extensively, and can't find any issues. I also swapped a brand new bolt assembly from another rifle into mine, with no noticeable difference in frequency of FTF.

    Anyone else have a problem like this and find a solution?
  2. KingWalleye


    Jan 6, 2011
    Call Sig Sauer and they will take care of it. My 522 has been flawless even when the early e-clips were breaking the gun would still fire and function without fail.