SPRINGFIELD ARMORY ECHELON 9MM 4.5'' 17-RD/20-RD Night Sights

SPRINGFIELD ARMORY ECHELON 9MM 4.5'' 17-RD/20-RD Night Sights SEMI-AUTO PISTOL. Specifications and Features: Caliber: 9x19mm Luger Capacity: 20 Rounds Barrel: 4.5" Hammer Forged Steel Twist Rate: 1:10 Tritium 3 Dot Sights Variable Interface System Optics Mounting Ambidextrous Slide Stop Ambidextrous Magazine Release Interchangeable Backstraps Central Operating Group Self Contained Fire Control Unit Flat Face Trigger Black Includes Two (2) Magazines, 17 Roundand 20 Round Extended Carry Case Interchangeable Backstraps