The Springfield Armory(R) Echelon 4.5F Gear Pac is a full size 9mm pistol with a 4.5 in barrel optics ready slide and 15 round magazine capacity. This black configuration uses the Echelon chassis based striker fired system with the U Dot sight setup and includes a Viridian RFX11 green dot optic. It is built for defensive use duty style handling and range work with fully ambidextrous controls and the included Gear Pac accessory package.Key Features9mm Luger chambering with 4.5 in barrelSemi auto pistol with 15 round magazine capacityOptics ready slide with U Dot sight systemViridian RFX11 green dot optic includedIncludes 4 15 round magazines and range bagSpringfield Armory(R) builds modern firearms that blend proven designs with contemporary features for today's shooters. The brand is known for duty-capable handguns and performance-oriented platforms that support optics lights and high-round-count training. Springfield Armory focuses on practical reliability shooter-friendly ergonomics and consistent value across its lineup.