Taurus USA GX4, Taurus Optic Ready Option, Striker Fired, Semi-automatic, Polymer Frame Pistol, Micro-Compact, 9MM, 3 Barrel, Cerakote Finish, Black Frame, Graphene Gray Slide, Optic Ready, Adjustable Sights, 2 Magazines, (1)-11 Round and (1)-13 Round 1-GX4MP93GR The GX4 T.O.R.O. adopts the Taurus Optic Ready Option mounting system, which facilitates mounting of several popular micro-red dot sights. The T.O.R.O. system is designed around a factory optic-cut slide for those who desire the advantages of a low-print EDC handgun and the confident sight picture of a red dot. The GX4 T.O.R.O. also comes with a flush-mount slide cover plate for use with the non-optic option. The Taurus GX4 series pistols lead the micro-pistol class with their 11 or 13 round capacity, durable finish, ergonomics, and exceptional accuracy.