Our Leupold Delta Point Pro Cut Slide for GlockA(R) 19 Gen3 pistols features distinctive, wraparound front cocking serrations that aid in manipulating the slide to check the chamber or clear a jam. (OK, we'll admit it: the serrations just look cool, too.) It also comes with a pre-cut slot for easy, secure mounting of a Leupold Delta Point Pro or compatible footprint red dot sight. All DPP Slides also have standard GlockA(R) factory front and rear sight dovetails for "iron" backup sights. To get proper co-witnessing with the DPP, you will need to also install suppressor-height iron sights. You can also get your Brownells DPP Slide for GlockA(R) 19 Gen3 with a " Mfg: Brownells