GLOCK 43X, Blackout #2, Striker Fired, Semi-automatic, Polymer Frame Pistol, Sub Compact, 9MM, 3.92 Zaffiri 1/2x28 Threaded Barrel, Suppressor Height Sights, Hybrid Stippled Frame, No Finger Grooves, Front Serrations, Optics Ready Slide, 10 Rounds, 2 Magazines, Will Only Accept RMSc and RMSc Footprint Optics, Must Use Included Screws From Shark Coast Tactical To Mount Optic UX4350204FRN The G43X Rail features a compact Slimline frame with a slim mounting rail, making it ideal for concealed carry. The G43X Rail has the same compact grip length, a minimal profile, and a built-in beavertail as the G48, providing a comfortably balanced, versatile grip suitable for various users.