Rival Arms Slide for GLOCK 19 Gen 3 Frame MOS/RMR Ready Optic Cut/Night Sights CNC Machined 17-4PH Stainless Steel Billet Matte Black Finish Rival Arms is an up and coming company of individuals who have devoted themselves to individuals who demand more. Rivals Arms motto is more accuracy and more performance, because sometimes standard equipment just isn't good enough. Rival Arms uses a coalition of machinists and designers and coaters to provide you with the highest quality products possible. This particular GLOCK slide is precision machined from 17-4PH Stainless Steel and features a QPQ thermo-chemical case hardened finish. Rival Arms Precision GLOCK Slide (Black) Specifications and Features: Rival Arms RA11G202A Match Grade Precision Upgraded Slide Recessed Slide Cuts For Trijicon RMR (Sold Separately) CNC Machined from 17-4 PH Stainless Steel Billet Superior Corrosion Resistance/Durability Quench Polish Quench Thermo-Chemical Case Hardened Resist Normal Wear/Tear Even In Harsh Conditions Front/Rear Serrations for Easy Slide Manipulation Three Window Cuts for More Efficient Cooling/Airflow Individually Hand Inspected for Accuracy No Gunsmith Required Limited Lifetime Manufacturer Warranty Matte Black Finish Includes: Rival Arms Tritium 3 Dot Night Sight Set (Orange Front Ring) Fits: GLOCK 19 Gen 3 Frames