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P365 strikers that don't match up or add up.

1433 Views 11 Replies 5 Participants Last post by  Nilla
Building a new P365 from the ground up and went to install my upper kit into new slide from True Precision and my brand new Sig striker won't fit. So I'm thinking it's the slide not milled correctly but thankfully I have a P365 SAS to compare it with. Took P365 SAS upper slide parts and installed those old parts into new slide and everything went together like butter. So it's my striker I'm not crazy and I'm like maybe there a new version out for P365 strikers but went to Sig site and their striker photo looks like my old striker in SAS model.

I know call Sig they make it right.....lol but guys deformed strikers a very important part. Help me out if i'm missing something, anyone else run into this issue?
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There have been several rolling design modifications since the P365 was released. Some also require a certain version of the slide because the shape of the business end of the striker changed, requiring matching milling inside the slide's striker channel. I'm not an expert on the P365, but I'm sure some others on here will be able to give guidance.
The one you have is the newest style. Here are pictures from my X made in September of 21. It also doesn't have the small reset spring in it. It is one of those rolling changes that Sig has made. And of course they do not identify these changes through the part numbers or Rev number. They often don't update the website pictures either. What I don't know is if this new style will fit in the older slides as I don't have an older one to compare. You will probably have to talk to Sig and get the other one if it doesn't.

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There have been various changes in the striker along the way as GBIA said. One change I believe we can see in your photos is the rear of the striker. Older versions removal was done by pushing toward the front of the striker on tab on the back. In later variations the tab on the back of the striker has to be squeezed toward the other side allowing the tab to move into the channel if that makes sense. I am not sure if a change in the slide was also made. I do not have an old one to compare to. However there are a few videos on YouTube illustrating this. Where is the striker getting held up?
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Here is the new style slide and back plate. Which I do think is different.
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There have been several rolling design modifications since the P365 was released. Some also require a certain version of the slide because the shape of the business end of the striker changed, requiring matching milling inside the slide's striker channel. I'm not an expert on the P365, but I'm sure some others on here will be able to give guidance.
I think my new slide is ok the old striker from P365 SAS goes in fine.
There have been various changes in the striker along the way as GBIA said. One change I believe we can see in your photos is the rear of the striker. Older versions removal was done by pushing toward the front of the striker on tab on the back. In later variations the tab on the back of the striker has to be squeezed toward the other side allowing the tab to move into the channel if that makes sense. I am not sure if a change in the slide was also made. I do not have an old one to compare to. However there are a few videos on YouTube illustrating this. Where is the striker getting held up?
Got both slides and strikers next to each other, I did fully install my older striker into new slide and it look to be working correctly of course no live fire forgot to take photo of that.....lol
Here is the new style slide and back plate. Which I do think is different. View attachment 460475
View attachment 460474
View attachment 460473
Here is the new style slide and back plate. Which I do think is different. View attachment 460475
View attachment 460474
View attachment 460473
I see the difference I have the old/other kind it's more flat than yours, but either way my new striker wouldn't go in enough to slip that newer style on as well.
I see the difference I have the old/other kind it's more flat than yours, but either way my new striker wouldn't go in enough to slip that newer style on as well.
With this newer style you have to move the tab over to slide the striker fully into the channel and push in to slide the back plate on. You can check out the p365 video from Sig guy that shows the dissassembly/reassembly pretty well.
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With this newer style you have to move the tab over to slide the striker fully into the channel and push in to slide the back plate on. You can check out the p365 video from Sig guy that shows the dissassembly/reassembly pretty well.
Been there done that his video is like my P365 SAS striker not my newer striker or older. Hell I don't know at this point but I did email him becuase I am a customer of his.....lol

Sig Sauer P365 striker removal, cleaning and reinstallation

Been there done that his video is like my P365 SAS striker not my newer striker or older. Hell I don't know at this point but I did email him becuase I am a customer of his.....lol

Sig Sauer P365 striker removal, cleaning and reinstallation

There were a few complaints of the backplate working itself off during recoil with the older striker sleeve design, thus they started cutting slides so that depressing the striker spring to remove the backplate took an extra step.

Both of my 2021 built P365s have the newer sleeve, where you have to bend/rotate the sleeve until the tab is over the striker channel to compress the spring rather than just push down on the tab.

Oddly enough.. the striker I bought to replace my XL's striker has a striker reset spring where the one that came with it, and the one in my standard model P365 do not. But it is the newer striker sleeve.
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There have been several rolling design modifications since the P365 was released. Some also require a certain version of the slide because the shape of the business end of the striker changed, requiring matching milling inside the slide's striker channel. I'm not an expert on the P365, but I'm sure some others on here will be able to give guidance.
The one you have is the newest style. Here are pictures from my X made in September of 21. It also doesn't have the small reset spring in it. It is one of those rolling changes that Sig has made. And of course they do not identify these changes through the part numbers or Rev number. They often don't update the website pictures either. What I don't know is if this new style will fit in the older slides as I don't have an older one to compare. You will probably have to talk to Sig and get the other one if it doesn't.

View attachment 460468
View attachment 460469
There have been various changes in the striker along the way as GBIA said. One change I believe we can see in your photos is the rear of the striker. Older versions removal was done by pushing toward the front of the striker on tab on the back. In later variations the tab on the back of the striker has to be squeezed toward the other side allowing the tab to move into the channel if that makes sense. I am not sure if a change in the slide was also made. I do not have an old one to compare to. However there are a few videos on YouTube illustrating this. Where is the striker getting held up?
With this newer style you have to move the tab over to slide the striker fully into the channel and push in to slide the back plate on. You can check out the p365 video from Sig guy that shows the dissassembly/reassembly pretty well.
There were a few complaints of the backplate working itself off during recoil with the older striker sleeve design, thus they started cutting slides so that depressing the striker spring to remove the backplate took an extra step.

Both of my 2021 built P365s have the newer sleeve, where you have to bend/rotate the sleeve until the tab is over the striker channel to compress the spring rather than just push down on the tab.

Oddly enough.. the striker I bought to replace my XL's striker has a striker reset spring where the one that came with it, and the one in my standard model P365 do not. But it is the newer striker sleeve.
Sig Guy to the rescue.....lol

Watch this starting at 26min 34seconds

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