Springfield Armory Echelon 4.0C Compact Optic Ready Gear Pac 9mm Luger 4in Black Melonite Pistol - 15+1 Rounds - Engineered for carry, the Echelon 4.0C retains the key features of the full-size model, with a shorter 4-inch barrel and compact frame for enhanced concealability. Its revolutionary Variable Interface System provides unmatched direct-mount compatibility with today's leading red dot sights. The serialized Central Operating Group is housed in a compact frame and provides a 15-round capacity, meeting the requirements for states with capacity restrictions. Features: 1:10 Twist; Sights: White-Dot Front, Tactical Rack U-Dot Rear, Viridian RFX11 Green Dot; Slide: Billet Machined, Melonite Finish, Optics Ready; Barrel: Cold Hammer Forged Steel; Captive Recoil System; Black Polymer Frame with Small Grip Module; Gear Pac Includes: Four magazines (4) 15-Round; Viridian RFX-11 Green Dot Optic; Pistol bag;