What ever part isn't Doing the job…consider all of it with stock OEM areas. In some cases aftermarket slides and triggers have far too tight tolerances to work in the P80. To date the Brownells and Gray Ghost (a bit tight) have labored in my builds. I’ve heard ZEV slides https://ez-bookmarking.com/story18612355/glock-43-p80-things-to-know-before-you-buy