The Noveske DM (Direct Mount) Slide and Pistol Barrel Set is an out-of-the-box upgrade to your factory Glock pistol. Each set is configured with a Noveske DM Slide and Pistol barrel that features the iconic Cross engraving split over the top of each part, representing a factory set. Only Noveske sets come with this detail!The Noveske DM (Direct Mount) Slide is an out of the box upgrade to your Glock 17 or 19 compatible pistol, providing the option of mounting a variety of optics to a single slide. The Noveske DMOS (Direct Mount Optic System) allows mounting of 4 different optic patterns, utilizing the FMRS (Forward Mounted Rear Sight). The FMRS acts as a spacer, utilizing a dovetail design, keeping the optic as close as possible to the bore centerline. Lending to a smoother, repeatable mounting process and return to zero.The Noveske DM Slide features enhanced serration cuts front and back to increase ease of manipulation and includes a chamfered window on top creating a perfect weig...