Engineered for carry, the new Springfield Armory Echelon 4.0C retains the key features of the full-size model, with a shorter 4-inch barrel and compact frame for enhanced concealability. The serialized Central Operating Group is housed in a compact frame, offering a 15-round capacity with the flush magazine and 18 rounds with the extended magazine. Specifications and Features: ACTION: Double Action Only FINISH: Black STOCK/FRAME: Polymer Frame STOCK/GRIPS: FDE Polymer WEIGHT: 24 oz. OAL: 7.25? CALIBER/GAUGE: 9mm CAPACITY: 18+1 Number OF MAGS: 4 MAGAZINE DESC: (1)-15 Rd & (3)-18 Rd BARREL: 4? SIGHTS: Tactical Rack U-Dot Rear SIGHTS: Front Night Sight TRIGGER: Central Operating Group Trigger Assembly ADDL INFO: Loaded Chamber Indicator ADDL INFO: Variable Interface System ADDL INFO: Viridian RFX11 Green Dot Optic