Whichever component is not Performing…consider it all with stock OEM parts. From time to time aftermarket slides and triggers have as well limited tolerances to work in a P80. To this point the Brownells and Gray Ghost (just a little limited) have labored in my builds. I’ve read ZEV slides https://ragingbookmarks.com/story18640995/glock-43-p80-things-to-know-before-you-buy