Caliber: .45 ACP, Height (inches) 90° to barrel: 5.25, Weight (ounces) with empty magazine: 35, Length (inches): 7.7, Magazine capacity: 8, Ambidextrous thumb safety, Recoil spring (pounds): 22.0, Full-length guide rod, Frame Material: Stainless steel, Finish: Satin silver, Width (inches): 1.28, Slide Material: Stainless steel, Finish: Satin silver, Barrel Length (inches): 4, Material: Steel, match grade, Twist rate (left hand): 16, Sights Tactical Wedge Tritium night sights, fixed, Radius (inches): 5.7, Grips Zebra wood, scale pattern, Trigger Aluminum, match grade, Factory setting (approximate pounds): 4.0 – 5.0.