SPRINGFIELD ARMORY ECHELON ALPHA 4.0C COMPACT SEMI-AUTO HANDGUN Echelon(TM) Alpha 4.0C 9mm offers a more accessible entry point into the modular Echelon ecosystem, featuring the Central Operating Group, swappable grip modules and more. The Echelon Alpha features a recontoured slide, single magazine, polymer cover plate and one Adaptive Grip Textured backstrap with integrated armorer's tool. SPECS COLOR: Black BARREL: 4" Hammer Forged Steel, MeloniteA(R) Finish, 1:10 SLIDE: Billet Machined, MeloniteA(R) Finish, Optics Ready, Loaded Chamber Indicator FRAME: Black Polymer, Small Grip Module, Magazine Disconnect SI Mfg: Springfield Armory