Springfield Armory ECT9409B3D Compact 9mm Luger 18+1 4.70" Black Melonite Threaded Barrel, Black Melonite Optic Ready/Serrated Steel Slide, Black Polymer Frame w/Picatinny Rail, Black Polymer Grip

Engineered for carry, the threaded Echelon 4.0C retains the key features of the full-size model, with a shorter 4.70" threaded barrel and compact frame for enhanced concealability. Its revolutionary Variable Interface System provides unmatched direct-mount compatibility with today's leading red dot sights, complemented by tritium three-dot irons for fast target acquisition. The serialized Central Operating Group is housed in a compact frame. Includes a soft case, 15rd capacity with the flush magazine and 18rd with the extended magazine.