Regardless of what aspect is just not Performing…try everything with stock OEM pieces. At times aftermarket slides and triggers have much too tight tolerances to work inside a P80. Thus far the Brownells and Grey Ghost (just a little tight) have worked in my builds. I’ve listened to ZEV slides https://bookmark-nation.com/story18486493/the-smart-trick-of-glock-43-p80-that-nobody-is-discussing