sasquatch981 Posted May 20, 2015 Share Posted May 20, 2015 I have a G17 Gen4 with a newly installed ZEV Fulcrum trigger, and a 12lb recoil spring. When I shot it at the local match this past weekend, I had several issues where when the trigger was pulled the gun goes bang , then during the letting off of the trigger for reset, either: A) The trigger would remain in the rearward position. rack the slide feed a new round and it would work again for that shot, and then the trigger would not reset again. Think of a single action G17, in production (or five rounds to shoot per magazine!!!) or If the trigger did reset it would give me a light strike. So I replaced the striker spring with a heavier unit to deal with the possibly harder primers (Winchester). I ran out of Federals. That seems to have taken care of the light strikes for now. I will probably still get an extended striker in the future. Here is a video I took at the range the other day when trying to diagnose the problem, As you can see when the trigger is pulled, the slide can be seen "clicking into battery". Over several pulls it does this quite often, but not all the time. Any ideas of how to remedy this, other than tapping the back of the slide after every shot!!!! https://www.facebook.com/matt.pridachuk/videos/10206939669558649/ Link to comment Share on other sites More sharing options...
ron169 Posted May 20, 2015 Share Posted May 20, 2015 What Wright recoil spring did you go to? Does it do the same thing with the sick recoil spring assembly. Link to comment Share on other sites More sharing options...
atbarr Posted May 21, 2015 Share Posted May 21, 2015 12 lb. Link to comment Share on other sites More sharing options...
ron169 Posted May 21, 2015 Share Posted May 21, 2015 Does it pass the vertical test with the 12 pound spring? Have you tried stock rsa? Link to comment Share on other sites More sharing options...
dskinsler83 Posted May 21, 2015 Share Posted May 21, 2015 Zev Fulcrum and Production doesn't exist lol Link to comment Share on other sites More sharing options...
sasquatch981 Posted May 21, 2015 Author Share Posted May 21, 2015 What is the vertical test. I have swapped the original recoil assembly back in for now, but it slams the nose down when fired with minor loads. Link to comment Share on other sites More sharing options...
sasquatch981 Posted May 21, 2015 Author Share Posted May 21, 2015 I should have been more clear, ZEV Fulcrum, in the 3-Gun pistol. Link to comment Share on other sites More sharing options...
dskinsler83 Posted May 21, 2015 Share Posted May 21, 2015 What you have is an engagement issue with your sear and striker lug. Also be sure the drop safety is still working. If it is not resting on the shelf or is off of it then the trigger bar can "bounce" for lack of a better term and the. The striker falls to the striker block safety causing the dead trigger. But my guess is which is common with the fulcrum is a sear engagement issue. Link to comment Share on other sites More sharing options...
dskinsler83 Posted May 21, 2015 Share Posted May 21, 2015 Trying to run the factory striker with a lighter striker spring will almost always cause light strikes as well. If you invest in a trigger go ahead and invest in the lighter striker. Link to comment Share on other sites More sharing options...
dskinsler83 Posted May 21, 2015 Share Posted May 21, 2015 The vertical test isn't always the best gauge either. When the pistol is cycling during fire there will be more than enough energy to chamber the round and lock up as long as the cartridges chamber check. I run a 10lb Wolffe spring in my 17L Link to comment Share on other sites More sharing options...
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