Springfield Armory Echelon 4.5F Gear Pac 9mm Luger 4.5in Black Melonite Pistol - 10+1 Rounds - Setting 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. Engineered with superior ergonomics and built to withstand the harshest conditions, the Echelon 4.5in 9mm pistol is configured for residents located in restricted states requiring a 10-round capacity. In addition, this fully ambidextrous pistol employs a revolutionary optics mounting system that allows for unparalleled adaptability with a broad range of optics. Features: 1:10in Twist Sights: Tritium / Luminescent Front, Tactical Rack U-Dot Rear Slide: Billet Machined, Melonite Finish, Optics Ready Frame: Black Polymer, Medium Grip Module Hammer Forged Steel Barrel Captive Recoil System