The Springfield Armory Echelon 4.0C Comp brings full-size features into a compact, carry-ready package-shortened frame and a 4" hammer-forged barrel with an integral compensator for reduced muzzle rise and faster follow-ups. Built on Springfield's serialized Central Operating Group and direct-mount Variable Interface, it ships optic-ready and includes the Gear Pac (Viridian RFX11 mounted, four magazines, and a premium pistol bag) for a range-ready setup. Includes the Springfield Armory Gear PacA(R)a |this firearm includes (4) magazines, Viridian RFX11 green dot optic, and premium pistol bag. The optic comes mounted and ready for the range. 9mm 15+1 flush / 18+1 extended 4" hammer-forged barrel, 1:10 twist Integral single-port compensator Optics-ready Tritium U-Dot front/rear sights Serialized Central Operating Group chassis Springfield Armory Gear PacA(R): (4) magazines, Viridian RFX11 green dot optic, and premium pistol bag