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AR15.COM
7/15/2014 10:07:03 AM EDT
I just recently bought a G17 gen4 and the trigger is very spongy.  So i put a ghost 3.5lb connector and wolff spring in it.  Now its still spongy but less poundage but sometimes when I put a full mag in it then rack the slide it won't reset the trigger.  

Is this a known issue or just me? And what can I do to get the trigger more solid

My G23 and G26 have rock solid triggers.
7/15/2014 10:19:29 AM EDT
[#1]
Shooting usually makes the triggers better in my experience.

The trigger reset problem sounds like an incorrect assembly issue to me.  I'd double check everything is back together correctly.
7/15/2014 11:37:41 AM EDT
[#2]
My gen4 19 did this after tinkering with the connectors and trigger wouldnt reset, felt like dragging with slide off. I kept looking at everything and realized my trigger return spring was off to the side of the trigger bar that is inside the ejector housing. It needs to be installed in an S shape and also make sure its hooked to the tip and didnt pop sideways when you install the trigger bar into the ejector housing. Also do not use the heavier trigger return spring in the Gen4 as the angle of the return spring bar is already a little more aggressive than the Gen3 and is not needed, at least what I have witnessed :)


This image I stole google FTW, look how the Gen4 trigger bar has the little groove cut into it on bottom, make sure your spring connects straight on to that. Its very easy for it to pop off to the side and drag on the ejector housing when re-installing the bar into the ejector housing.
7/15/2014 4:14:56 PM EDT
[#3]
Quote History
Quoted:
My gen4 19 did this after tinkering with the connectors and trigger wouldnt reset, felt like dragging with slide off. I kept looking at everything and realized my trigger return spring was off to the side of the trigger bar that is inside the ejector housing. It needs to be installed in an S shape and also make sure its hooked to the tip and didnt pop sideways when you install the trigger bar into the ejector housing. Also do not use the heavier trigger return spring in the Gen4 as the angle of the return spring bar is already a little more aggressive than the Gen3 and is not needed, at least what I have witnessed :)


This image I stole google FTW, look how the Gen4 trigger bar has the little groove cut into it on bottom, make sure your spring connects straight on to that. Its very easy for it to pop off to the side and drag on the ejector housing when re-installing the bar into the ejector housing.
http://img.photobucket.com/albums/0603/ButchG17/Glock%20pics/DSC00236.jpg
View Quote


Or do what I do and put a gen 3 trigger bar in your gen 4.

Every Gen 4 I've done this to has cleaned up the pull immensely.
7/15/2014 5:18:50 PM EDT
[#4]
Yeah the resetting thing happens rarely and has only done it a few times.  What really bothers me is the back wall isnt as solid as my gen 3 23 and gen 4 26.
7/16/2014 3:27:43 AM EDT
[#5]

Quote History
Quoted:
Or do what I do and put a gen 3 trigger bar in your gen 4.



Every Gen 4 I've done this to has cleaned up the pull immensely.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:



Quoted:

My gen4 19 did this after tinkering with the connectors and trigger wouldnt reset, felt like dragging with slide off. I kept looking at everything and realized my trigger return spring was off to the side of the trigger bar that is inside the ejector housing. It needs to be installed in an S shape and also make sure its hooked to the tip and didnt pop sideways when you install the trigger bar into the ejector housing. Also do not use the heavier trigger return spring in the Gen4 as the angle of the return spring bar is already a little more aggressive than the Gen3 and is not needed, at least what I have witnessed :)





This image I stole google FTW, look how the Gen4 trigger bar has the little groove cut into it on bottom, make sure your spring connects straight on to that. Its very easy for it to pop off to the side and drag on the ejector housing when re-installing the bar into the ejector housing.

http://img.photobucket.com/albums/0603/ButchG17/Glock%20pics/DSC00236.jpg




Or do what I do and put a gen 3 trigger bar in your gen 4.



Every Gen 4 I've done this to has cleaned up the pull immensely.


Any downsides to doing this?



 




7/16/2014 12:00:48 PM EDT
[#6]
Quote History
Quoted:

Any downsides to doing this?
 




View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
Quoted:
My gen4 19 did this after tinkering with the connectors and trigger wouldnt reset, felt like dragging with slide off. I kept looking at everything and realized my trigger return spring was off to the side of the trigger bar that is inside the ejector housing. It needs to be installed in an S shape and also make sure its hooked to the tip and didnt pop sideways when you install the trigger bar into the ejector housing. Also do not use the heavier trigger return spring in the Gen4 as the angle of the return spring bar is already a little more aggressive than the Gen3 and is not needed, at least what I have witnessed :)


This image I stole google FTW, look how the Gen4 trigger bar has the little groove cut into it on bottom, make sure your spring connects straight on to that. Its very easy for it to pop off to the side and drag on the ejector housing when re-installing the bar into the ejector housing.
http://img.photobucket.com/albums/0603/ButchG17/Glock%20pics/DSC00236.jpg


Or do what I do and put a gen 3 trigger bar in your gen 4.

Every Gen 4 I've done this to has cleaned up the pull immensely.

Any downsides to doing this?
 






Its been a while since I had my Gen 4 Glocks, but I had a 17 and 19 that both had theirs swapped and they functioned fine as long as I had them..........and both had atleast a few thousand trouble free rounds through them.

Aside from the dimension of the ejector housing, the mechanics surrounding the triggers between the generations are the same.  

I think a big contributor of the shittier feeling gen 4 trigger is the nub on the trigger bar that interacts with the striker block.  Pretty sure that little nub drags on something, creates friction, and makes for a lousier feeling trigger.  

Do the swap and you'll notice an immediate difference in the smoothness and weight of the pull.......or just handle a gen 3 and 4 side by side to see the difference.
7/16/2014 12:07:54 PM EDT
[#7]
It's the Ghost trigger spring, it is too light. Have had a ton of issues with guns not resetting, and then being consistent when putting the factory spring back in.
7/17/2014 10:03:17 AM EDT
[#8]
MANIST made a good point concerning the position of the trigger return spring. I checked my G35 4th gen and sure enough it was canted to the left. Took care of that and along with a new ZEV connector and a reduced power safety plunger spring in addition to some polishing and that is all I needed. Now the Glock has a smooth pull just over four pounds. All other springs and parts are factory standard.
7/17/2014 6:50:56 PM EDT
[#9]

Quote History
Quoted:


It's the Ghost trigger spring . . .
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This. The drag the nub on the Gen 4 trigger bar places against the slide combined with the heavier trigger spring can cause the trigger to fail to reset. Generally, only the stock trigger spring should be used on the Gen 4 Glocks.




Replacing the trigger bar with a Gen 3 is an option. The lack of nub on the Gen 3 trigger bar allows it to flex slightly during the break which causes the different feel than the Gen 4. The friction of the nub on the Gen 4 trigger bar against the slide does not really affect the pull weight in a noticeable way.