Rival Arms Precision Slide A1 with RMR Cut Satin QPQ Black 17-4 Stainless Steel MOS Height Tritium Night Sights with White Front Installed for Glock 17 Gen3 Rival Arms' Precision Pistol Slide is an ideal foundation of your build. Created for a variety of models and centered on modern design and compatibility with a wide range of parts and accessories, Rival Arms slide sets the tempo for both the look and performance of your pistol. Match-grade precision upgrade slide, recessed slide cuts for compatibility with RMR or other optic, front and rear serrations for easy slide manipulation and three window cuts for more efficient cooling and airflow. This model features Tritium night sights installed.