Springfield Armory Echelon 4.0C Gear Up Package 9mm Luger 4in Black Melonite Pistol - 10+1 Rounds - Engineered for carry, the Echelon 4.0C retains the key features of the Full-Size Model, with a shorter 4in Barrel and Compact Frame for enhanced concealability. Its Revolutionary Variable Interface System provides Direct-Mount compatibility with today's Red Dot Sights, complemented by Tritium U-Dot Irons for fast Target Acquisition. Gear Up 25 package Includes RFX11 Custom Red Dot Optic, 5 Magazines. Central Operating Group - The Central Operating Group is self-contained and serialized, providing a robust housing for the patent pending system. VIS Optic Mounting System - allows direct mounting of most red dot optics without additional plates. 3-dot Tritium Sights - For enhanced day and night visibility, self-illuminating tritium inserts are housed within the 3-dot sight system on the Echelon. Includes RFX11 Custom Red Dot Optic (5) 10 Round Magazines