Engineered for carry, the Echelon 4.0C retains the key features of the full-size model, with a shorter 4" 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 Crimson Trace CT-1500 Red Dot Optic, 5 magazines and dual range bag.