Springfield Armory Echelon 4.5F Optic Ready Gear Pac 9mm Luger 4.5in Black Melonite Pistol - 20+1 Rounds - Engineered with superior ergonomics and built to withstand the harshest conditions, the Echelon 4.5in 9mm handgun sets a new standard for modern, striker-fired duty pistols. With a host of patent pending features, this modular pistol is designed around a robust stainless steel chassis. In addition, a revolutionary optics mounting system allows for unparalleled adaptability with a broad range of optics. Fully ambidextrous, the Echelon features a U-Dot sight system for fast target acquisition. Features: 1:10in Twist ; Sights: White-Dot Front / Tactical Rack U-Dot Rear; Slide: Billet Machined, Melonite Finish, Optics Ready; Barrel: Cold Hammer Forged Steel; Captive Recoil System; Black Polymer Frame with Medium Grip Module; Gear Pac Includes: Four magazines: (3) 17-Round, (1) 20-Round; Viridian RFX-11 Green Dot Optic; Pistol bag;