Springfield Echelon, Semi-automatic, Striker Fired, Polymer Framed Pistol, Full Size, 9MM, 4.5" Barrel, Melonite Finish, Black, Optics Ready Slide, Front Tritium Night Sight, Tactical Rack U-Dot Rear, Manual Safety, 2 Magazines, (1)-17 Round and (1)-20 Round EC9459BMS-U • Double Action USA Action Trigger System) • Capacity: 17+1 and 20+1 • Finish: Black • Sights: FT: Tritium|Luminescent RR: Tactical Rack U-Dot • Barrel length: 4.5 • Overall length: 8 • Variable Interface SystemsCentral Operating Group VIS Optic Mounting System • Action: Striker Fired • Capacity: 20 + 1 • Finish: Black Melonite • Sights: FS: Lum RS: Tact. Rack U-Dot • Barrel length: 4.5" • Overall length: 8" • 15in Free-Float MLOK Rail/ Ambi Bolt Release