Smith & Wesson CSX E-Series, Semi-automatic, Single Action Only, Micro Compact Pistol, 9MM, 3.6 Barrel, Armornite Finish, Black, Optic Ready Slide, Aluminum Frame, Manual Safety, 3 Dot Sights, 10 Rounds, 2 Magazines 13958 Introducing the 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 and offers a 10-round capacity with both a compact flush-fit magazine and a 10-round extended magazine (longer grip adapter included).