The Springfield Armory Echelon Alpha Compact 4.0C is a compact 9mm pistol built around the modular Echelon platform. Its serialized Central Operating Group enables modular configuration changes, while the Variable Interface System provides direct mounting capability for compatible red dot optics. This Gear Pac configuration includes a Viridian FRX11 green dot optic, four stainless steel magazines, and a gear bag. The optics-ready slide pairs with the Echelon's U-Dot sight system, including a white-dot front sight and Tactical Rack U-Dot rear sight for rapid sight alignment. The Echelon Alpha Compact features a hammer-forged 4-inch barrel, billet-machined slide, Melonite finishes, and a captive recoil system. Its small grip module and 1.2-inch grip width provide the compact configuration specified for this model. Specifications Model: Echelon Alpha Compact 4.0C Caliber: 9mm Capacity: 15+1 Barrel Length: 4" Barrel Twist Rate: 1:10 Barrel Finish: Melonite Slide Finish: Melonite Slide Construction: Billet Machined Barrel Construction: Hammer Forged Frame Material: Polymer Frame Color: Black Grip Module Size: Small Grip Width: 1.2" Sights: White-Dot Front / Tactical Rack U-Dot Rear Optic: Viridian FRX11 Green Dot Optics Interface: Variable Interface System Recoil System: Captive Overall Length: 7.25" Height: 5.125" Weight: 24 oz Magazine Quantity: 4 Magazine Material: Stainless Steel Included Gear: Gear Bag Central Operating Group: Serialized Get the Springfield Armory Echelon Alpha Compact 9mm at BattleHawk Armory!