Regardless of what section will not be Functioning…attempt it all with inventory OEM pieces. Sometimes aftermarket slides and triggers have much too tight tolerances to work within a P80. To this point the Brownells and Grey Ghost (just a little restricted) have labored in my builds. I’ve listened to ZEV https://thebookpage.com/story4004605/the-definitive-guide-to-glock-43-p80