Whichever section isn't working…consider all of it with inventory OEM elements. Often aftermarket slides and triggers have far too tight tolerances to operate inside a P80. Up to now the Brownells and Grey Ghost (just a little tight) have worked in my builds. I’ve heard ZEV slides could be way https://thegreatbookmark.com/story18684731/what-does-glock-43-p80-mean