The Stiffler Manufacturing Diamond Grip slide fits Glock 19 Gen 1-3 OEM frames and Polymer80 PF940C builds. Machined from 416R stainless steel with a black DLC (Diamond-Like Carbon) finish that outperforms cerakote and nitride in hardness and corrosion resistance. Specifications Machined from heat-treated 17-4 PH stainless bar stock - tougher than the 416 stainless commonly used for pistol slides Caliber: 9mm Material: 416R stainless steel, heat treated Finish: Black DLC (Diamond-Like Carbon) - molecularly bonded, will not chip or flake Optic cut: Trijicon RMR footprint - accepts RMR, Holosun 407C/507C, and compatible red dots Grip texture: Front and rear diamond-patterned serration sections for aggressive slide manipulation Design cuts: Lightening cuts on top and sides for reduced weight and faster cycling Iron sight cuts: Standard Glock front and rear dovetails Frame Compatibility Fits Glock 19 Gen 1, Gen 2, and Gen 3 OEM frames. Also compatible with Polymer80 PF940C compact frames and other Gen 3-pattern aftermarket frames. Not compatible with Gen 4 or Gen 5 frames. What You Need to Complete This Slide This is a stripped slide. You will need a Glock 19 barrel and a Gen 3 slide completion kit to build a functional upper. Check the Frequently Bought Together section below for compatible parts. About 3CR Tactical Family-owned in South Florida. Free shipping on all orders. Optic & cover-plate hardware: RMR footprint. Screw specs for reference: cover plate 6-32 x 1/3, optic 6-32 x 7/16. DISCLAIMER: "GLOCK" is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither 3CR Tactical nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of "GLOCK" on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.