The slide has serrations on the front and back. You then have the choice of a factory white dot or factory upgraded sight established. The Glock evening sights and Ameriglo Daring are equally compatible updates. The Glock has also included the forward slide serrations over the G43X. This is a https://bookmarkwuzz.com/story14319566/helping-the-others-realize-the-advantages-of-glock-43x-slide