139 9 mm Duty Firearms; FIREARM SPECIFICATIONS (Required): • Semi-automatic pistol with Holosun 509T footprint direct-milled slide, suppressor-height sights (non-tritium, front and rear), opticready (no optic included); Item #: PA455SR02MOS6 • CALIBER: 9x19MM • System: Safe Action/Striker-Fired • Magazine Capacity: Standard 17 rounds • Barrel Length: 4.02 inches • Slide Cut: Must be compatible with Holosun red dot optics (e.g. 509T or SCS footprint) • Trigger Pull: 26 N (-5.8 lbs.); WEIGHT SPECIFICATIONS: • Without Magazine: 21.73 oz • With Empty Magazine: 24.48 oz • With Loaded Magazine: 30.34 oz; OVERALL DIMENSIONS: • Length (Overall): 189 mm | 7.44 inches • Slide Length: 174 mm | 6.85 inches • Width (Overall): 34 mm | 1.34 inches • Slide Width: 25.5 mm | 1.0 inch • Height including Magazine: 139 mm | 5.47 inches; SIGHT RADIUS (FOR REFERENCE): • Polymer Sights: 153 mm | 6.02 inches • Steel Sights: 152 mm | 5.98 inches • GNS: 151 mm | 5.94 inches