Just picked up an old German P220 that has the newer strut assembly. On dry fire, if I pull the trigger and don’t hand rack the slide to SA, the DA does not reset. It feels like it is stuck and will get caught then reset after I fully release the trigger and pause. Almost like it is getting caught up or a spring is not as strong to push a sear back or something. I have attached a picture of the part that is getting stuck in a delayed reset.
I know there won’t be a situation where I fire the gun and it goes back to DA but no other Sig SA/DA has ever had this issue. Any thoughts for self diagnose before I send it to a Sig Armorer.
You’re saying that your hammer is not resetting? Have you looked at the hammer return spring? I had one fail many years ago that exhibited conditions exactly as you describe. It is also possible that you have hidden debris creating enough friction between parts to keep the sear spring from doing its job.
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The hammer will reset physically and go back in the “rest” position but the trigger itself won’t have the reset click until I fully let go and then wiggle the hammer or trigger. It’s like it is stuck.
Aftermarket grips? Regardless, remove the right grip panel and make sure the trigger bar spring is installed correctly.
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