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I guess that means its a simple replacement. No sweat, it'll be just like installing an Apex trigger.....there's some videos on youtube.
That's what I'm hoping. But if Earl is still in Tewksbury, then I could run over to him in case I get into trouble.
 

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Just be careful handling the sear housing assembly, as the pins can fall out and when that happens, the single action lever or the sear are going to fall out, and they're a boogerbear to get back in. So, go slow and be careful.
 

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Do you happen to have a vernier slide to measure from the back of the rear horn to the front tip of the FPB horn? Since the installation does not involve any settings/adjustments your measurement should give us a good idea of how it compares to the Apex.
 

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Okay, installation was easy peasy. My stock trigger out of the box was gritty during creep while this dynamic trigger is smooth throughout. Reset seems to be about the same shortness as stock. Pre-travel is definitely shorter. I don't own a Lyman gauge, but I know what 3lbs feels like, and this one is more than that.

Do you happen to have a vernier slide to measure from the back of the rear horn to the front tip of the FPB horn? Since the installation does not involve any settings/adjustments your measurement should give us a good idea of how it compares to the Apex.
Chandler, I have a Mitutoyo digital caliper. Can you please take pics to show examples of how you want me to measure? Thanks.

And some trigger porn...
 

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Okay, installation was easy peasy. My stock trigger out of the box was gritty during creep while this dynamic trigger is smooth throughout. Reset seems to be about the same shortness as stock. Pre-travel is definitely shorter. I don't own a Lyman gauge, but I know what 3lbs feels like, and this one is more than that.



Chandler, I have a Mitutoyo digital caliper. Can you please take pics to show examples of how you want me to measure? Thanks.

And some trigger porn...

Based upon your description above and attached photos the dynamic trigger+bar look almost identical to the Apex. I am looking for a single measurement of the bar as shown in the attached photo preferably in mm.
 

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My observations, based strictly on the picture above, and my experience with what Apex did. Bottom line, Walther copied Apex. What they've done within the sear assembly is yet to be determined, as I don't have one yet to examine.

In no particular order.

The forward position of the trigger/trigger bar is set by the part of the trigger shoe indicated by 'B'. The exact dimensions/profile of area 'B' are predicated on the re-profiled tab 'A'. Tab 'A' was cut back to allow the trigger bar to be set at a more rearward position, which is going to reduce 'pre-travel'. Dimensions and profile of A and B work together to put tab 'A' to a point where its just touching the FPB. Again, that slack or that part of the pre-travel has been eliminated.

The area of the trigger shoe indicated by 'C' is what limits the over-travel, which also shortens reset.

Arrow 'D' is the back end of the trigger blade that has to pivot up to clear the frame. The trigger/trigger bar will not move rearward until the center trigger blade 'drop safety' has been depressed.

Tab 'E' rides in a slot milled into the bottom of the slide. Tab 'E' and the slot in the slide allow for act as a disconnector. The trigger bar tab that contacts the single action lever tab will be disconnected when the slide recoils completely to the rear. The rear of that little tab 'G' is what makes contact with another tab on the single action lever. When those two tabs make contact, you're up against the wall....any additional rearward movement of the trigger will also move the single action lever rearward. About 3 rch's later and the single action lever will release the single action sear which will release the striker. The slide will cycle and when the slot in the bottom of the slide fades away, it'll force tab 'E' down which will let the single action lever snap forward (you won't hear that snap, cuz it happens immediately following that big 'boom'. Now, with the trigger being held to the rear and the slide has cycle, releasing the single action lever, that little tab on the trigger bar at 'F' is now riding on the bottom of the tab on the single action lever. As you let the trigger come forward, the tab at 'F and G' will pop up in front of the single action lever (that's the click you hear during reset) and now your ready to start all over again.

So, what's magical about this dynamic trigger? As far as I can tell, the only mod to the trigger bar is a little reprofiling of the front tab on the trigger bar that contacts the FPB, and only in the area indicated by the red line at 'A'. The other part is the redesigned trigger shoe that limits the over travel and places the trigger bar in a more rearward position when at rest.

The big question is, what's going on inside the sear housing???? I won't know until I can take one apart and examine it.

93637
 

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If there is magic, it resides in that new sear housing.

Does there seem to be any adjustability in that new sear housing?
 

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The big question is, what's going on inside the sear housing???? I won't know until I can take one apart and examine it.
Visually, it looks just like the stock sear housing. Perhaps it is the same? But then at least the sear housing comes free with the trigger to use as a spare.
 

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Visually, it looks just like the stock sear housing. Perhaps it is the same? But then at least the sear housing comes free with the trigger to use as a spare.
It's bizarre they included it if it is the same.

I'm not doubting your statement, I'm just a little surprised.

Given that Apex never delivered their SF compatible trigger, I wonder if they collaborated with Walther on this design. Hmmmm....
 

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There's got to be some changes in the sear assembly or they wouldn't be sending it out with the trigger. The changes would be small and may not be detectable with a visual inspection. The critical part of the sear assembly is the overlap of the contact surfaces between the single action lever and the single action sear. Its this contact patch that governs the amount of creep you'll feel. If it were me, I'd install the new sear assembly.
 

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I am looking for a single measurement of the bar as shown in the attached photo preferably in mm.
12.87mm. (The rear horn edge is rounded; so I measured from the straightest face to the front tip.
 

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Just to be safe, I did install the new sear assembly with the trigger.
Would you mind sharing where you purchased your trigger from. I just received a reply from Earls where he states, "The Dynamic Trigger will not come with a sear as per direct info from Germany!"
 

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Would you mind sharing where you purchased your trigger from. I just received a reply from Earls where he states, "The Dynamic Trigger will not come with a sear as per direct info from Germany!"
Directly from Waltherarms. The receipt shows the dynamic trigger and sear housing for $145. But it's possible that Walther only offered me this set as a "makegood" because they took over a month to send my optics plate. So in effect, I was not able to try out my gun with an optic before their 30-day no-questions-asked return policy had expired.
 
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That's interesting, at this point I think I'm gonna hold off on the trigger until I get more confirmation that the replacement sear is indeed included. Thanks for sharing Ruddiger.
 

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From what I can see the obvious changes are in the trigger shoe and the transfer bar. While still an inexpensive stamping the bearing surfaces on the top of the bar are smooth (unlike the one that came with my Q5 Match SF). Of course it also has a slightly different profile to reduce first stage travel. The trigger shoe, in addition to being metallic vice plastic is also reprofiled to reduce over travel. I'm sure the alloy trigger also gives a more solid and confident feel. The sear housing remains a mystery. If indeed anyone finds that the sear housing does come with the trigger please advise.
 

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So here are the facts:

The trigger bar is a virtual duplicate of the Apex with the same design and measurements front to back.

The German manufactured Dynamic trigger/trigger bar does NOT come with a sear block.

The sear block that was shipped is the standard factory sear block as shipped in the PPQ/Q5.

If you need confirmation I suggest you contact Earl.
 
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