Regardless of what part isn't Doing the job…consider everything with inventory OEM parts. Often aftermarket slides and triggers have far too restricted tolerances to work in the P80. To date the Brownells and Grey Ghost (just a little tight) have labored in my builds. I’ve listened to ZEV slides is https://thebookpage.com/story4006305/the-2-minute-rule-for-glock-43-p80