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  • Bullwinkle
    Senior Member
    • May 2008
    • 565

    Glock sear problem

    I've run into an "interesting" problem... at least it is to me. I'm 90% sure I know what's causing it, but not so sure how to go about fixing it.

    Symptom: Pressing the trigger does not release the striker... or worse, sometimes it releases after you begin to remove pressure from the trigger.

    Cause (I think): I noticed that the sear is perfectly level (horizontal) when the trigger is fully forward. After pressing the trigger fully rearward, and the trigger bar is cammed down by the Connector, the sear ends up cockeyed; i.e. the right side of the sear (nearest the Connector) is lower than the left side of the sear. The height difference isn't a lot, but I believe it's enough so that the left portion of the sear is hanging onto the Striker lug.

    Solution: Well, the "obvious" solution is to shave down the Striker lug a bit, but that's also the most unsafe solution and doesn't really address the real problem of the slanted sear.

    Anyone run across anything like this before?

    Thanks in advance.
    John

    Factory Certified Sig Sauer Armorer
    P.O.S.T. Certified Armorer: 1911 pistols, AR-15/M16/M4 weapon systems, Glock handguns, Remington 870 shotgun, Sig Sauer handguns.
    Certified Sig Sauer P320 Armorer

    Let's Go Brandon
  • #2
    prkprisoner
    CGN/CGSSA Contributor
    • Jul 2004
    • 361

    Does this gun have all stock parts? Any trigger modifications already? Oem Glock parts are cheap. Do not try to modify the shape of sear or striker.. You can create a very unsafe gun rather easily.

    Comment

    • #3
      trackcage
      Senior Member
      • Apr 2015
      • 1777

      Take the glock fully apart and put back together. That would be my first step before replacing or modifying anything

      Comment

      • #4
        ar15barrels
        I need a LIFE!!
        • Jan 2006
        • 57143

        Originally posted by Bullwinkle
        I've run into an "interesting" problem... at least it is to me. I'm 90% sure I know what's causing it, but not so sure how to go about fixing it.

        Symptom: Pressing the trigger does not release the striker... or worse, sometimes it releases after you begin to remove pressure from the trigger.

        Cause (I think): I noticed that the sear is perfectly level (horizontal) when the trigger is fully forward. After pressing the trigger fully rearward, and the trigger bar is cammed down by the Connector, the sear ends up cockeyed; i.e. the right side of the sear (nearest the Connector) is lower than the left side of the sear. The height difference isn't a lot, but I believe it's enough so that the left portion of the sear is hanging onto the Striker lug.

        Solution: Well, the "obvious" solution is to shave down the Striker lug a bit, but that's also the most unsafe solution and doesn't really address the real problem of the slanted sear.

        Anyone run across anything like this before?
        This usually only happens when you have an overtravel screw that is limiting the travel of the trigger bar.
        I have never run into a trigger bar that would not release the striker at FULL TRAVEL.

        If the trigger bar won't release the striker at full travel, the tab on the trigger bar needs to be lowered.
        Do NOT shorten the tab on the striker.
        Randall Rausch

        AR work: www.ar15barrels.com
        Handguns: www.handgunbarrels.com
        Bolt actions: www.700barrels.com
        Foreign Semi Autos: www.akbarrels.com
        Most work done while you wait on a scheduled shop visit.

        Comment

        • #5
          G-forceJunkie
          Calguns Addict
          • Jul 2010
          • 6402

          You have some amazingly ****ty aftermarket (or really damaged factory) parts if the trigger bar can't cam down the less than fifty or sixty thousanths of an inch the trigger bar engages the striker.

          Comment

          • #6
            buffybuster
            Veteran Member
            • Oct 2005
            • 2615

            Presuming this is a real Glock and not some 80% build, put ALL the stock parts back in. That WILL fix your issue.
            Luck favors the prepared.

            The original battle plan did not survive initial contact with the enemy.

            "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

            Comment

            • #7
              DueceMcGurk
              Senior Member
              • Jul 2016
              • 884

              Return it to stock and it will run.

              Comment

              • #8
                Packy14
                Calguns Addict
                • Jul 2008
                • 5312

                Originally posted by Bullwinkle
                I've run into an "interesting" problem... at least it is to me. I'm 90% sure I know what's causing it, but not so sure how to go about fixing it.

                Symptom: Pressing the trigger does not release the striker... or worse, sometimes it releases after you begin to remove pressure from the trigger.

                Cause (I think): I noticed that the sear is perfectly level (horizontal) when the trigger is fully forward. After pressing the trigger fully rearward, and the trigger bar is cammed down by the Connector, the sear ends up cockeyed; i.e. the right side of the sear (nearest the Connector) is lower than the left side of the sear. The height difference isn't a lot, but I believe it's enough so that the left portion of the sear is hanging onto the Striker lug.

                Solution: Well, the "obvious" solution is to shave down the Striker lug a bit, but that's also the most unsafe solution and doesn't really address the real problem of the slanted sear.

                Anyone run across anything like this before?

                Thanks in advance.

                Take out the zev fanboy parts and go back to oem

                Building guns is not for you. https://www.calguns.net/calgunforum/....php?t=1210829
                NRA Lifetime Member

                1A-2A = -1A

                Comment

                • #9
                  Bullwinkle
                  Senior Member
                  • May 2008
                  • 565

                  Problem resolved. The true underlying cause turned out to be operator error... times two. First, the issuee allegedly (i.e. claims no wrong doing) took it upon himself/herself to dismantle the pistol and assembled it incorrectly. Second, I don't know where the hell my mind was at the time, but I failed to notice it the first time I inspected it. Trigger spring was misaligned and kinked. New trigger spring, correct installation, problem resolved. Closest explanation I can find on the web is here: https://www.glocktalk.com/threads/im....1540020/print though obviously the symptoms were quite different.

                  To those who genuinely tried to help solve this problem, I thank you. You are a true asset to CalGuns and the shooting community in general.
                  John

                  Factory Certified Sig Sauer Armorer
                  P.O.S.T. Certified Armorer: 1911 pistols, AR-15/M16/M4 weapon systems, Glock handguns, Remington 870 shotgun, Sig Sauer handguns.
                  Certified Sig Sauer P320 Armorer

                  Let's Go Brandon

                  Comment

                  • #10
                    wpage
                    Calguns Addict
                    • Jan 2011
                    • 6071

                    Well done.,,,
                    God so loved the world He gave His only Son... Believe in Him and have everlasting life.
                    John 3:16

                    NRA,,, Lifer

                    United Air Epic Fail Video ...

                    https://www.youtube.com/watch?v=u99Q7pNAjvg

                    Comment

                    • #11
                      MosinVirus
                      Happily Infected
                      CGN Contributor
                      • Sep 2013
                      • 5282

                      Never mind. Just saw that you figured it out.
                      Hobbies: bla, bla, bla... Bought a Mosin Nagant... Guns, Guns, Guns...

                      Comment

                      • #12
                        DueceMcGurk
                        Senior Member
                        • Jul 2016
                        • 884

                        Bullwinkle, good work. And thanks for getting back to us with your fix.

                        Comment

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