Engineered to merge full-size capacity with a compact slide assembly, the Echelon 4.0FC pairs a 4-inch barrel with a full-length grip. At its core is Springfields Central Operating Group, providing a serialized foundation for modular performance. The revolutionary Variable Interface System enables direct-mount compatibility with a wide range of todays leading optics. Fully ambidextrous and equipped with tritium/luminescent U-Dot sights, the 4.0FC delivers duty-grade capacity with fast handling in a balanced, do-it-all platform.Features :Tritium/Luminescent Front Sight with Tactical Rack U-Dot RearOptics ReadyFull-Size Grip Module with Compact Dust CoverIncludes 4 Magazines, Viridian RFX11, and Pistol Bag