Smith & Wesson CSX E-series, the next evolution in the CSX line. It boasts an enhanced E-Series trigger with a clean break and reset, extensive grip texture coverage, and a modular grip adapter that converts from micro-compact to compact frame size. This optic-ready pistol is chambered in 9MM, with 12, 15, or 17-round capacity options (magazines and adapters included) making it the advanced evolution of a classic platform, perfect for those who demand more from their concealed carry. MODULAR GRIP ADAPTER - The modular grip adapter lets you take your CSX and size to meet your needs. Size down for ultimate concealment or size up for better handling when shooting. E-SERIES® TRIGGER - Newly enhanced E-series trigger that has a light, clean break, and an improved reset. The straighter pull to the rear aids in accuracy when firing. OPTICS-READY - Modified RMS-C/507K optic footprint that features our ClearSight™ cut designed to strategically divert gasses away from your optic lens when firing.