Caliber: 9mm – Recoil System: Dual Captive Recoil Spring w/ Full Length Guide Rod – Sights: U-Dot: Tritium/Luminescent Front Tactical Rack Rear Optics Ready – Weight: 17.9 oz w/ Flush Mag 18.3 oz w/ Extended Mag – Height: 4 w/ Flush Mag 4.5 w/ Extended Mag – Slide: Billet Machined Melonite Finish Optics Ready – Barrel: 3 Hammer Forged Steel Melonite® Finish 1:10 – Length: 6 – Grip Width: 1 – Frame: Black Polymer w/ Adaptive Grip Texture – Magazines: (1) 11-Round (1) 13-Round Extended