LanTac USA LLC Razorback Stripped Slide, Fits Gen 4 Glock 19, RMR Cut with Plate, DLC Finish, Black 01-GSS-GEN4-G19-LT Aggressive styling meets precision engineering in the form of the new stripped Razorback slides for Glock 17 & 19 Pistols. Machined from pre-hardened (H900 condition) 17-4PH (Precipitation Hardened) stainless steel" bead blasted to create a satin surface finish and then treated with a new proprietary Lithium-Ferro process that creates an ultra hard protective coating. Slides are available for Generation 1-3 & 4 and feature RMR cuts as standard. RMR blanking plates are fitted as standard with Torx head screws and are machined with a continuous grip texture that flows from the slide across the plate.